The accompanying figure represents which chromosomal change

Excerpt from Figure 14

The accompanying figure represents which chromosomal change? asked Feb 25, 2019 in Biology & Microbiology by Bloc99. A. Inversion B. Deletion C. Duplication D. Translocation E. Aneuploidy. general-biology The accompanying figure represents which chromosomal change? asked Feb 25,. change from one type of muscle to another. mature into larger cells. genes are added to chromosomes. The accompanying figure represents which chromosomal change? aneuploidy deletion translocation inversion duplication. duplication Which letter(s) in the accompanying figure represents the ovaries, where meiosis in diploid germ cells gives rise to eggs? B. The essence of meiosis is that. The accompanying figure represents which chromosomal change? (the second one is bigger on top) duplication The accompanying illustration shows the F2 phenotypes from a monohybrid cross in snapdragons. What type of inheritance produces such an outcome? The accompanying figure represents which chromosomal change? (14.8) inversion. The failure of chromosomes to separate during mitosis or meiosis is called. nondisjunction

AP Biology Chapter 10 and 14 Flashcards Quizle

the fetal cells floating in the amniotic fluid. Amniocentesis is _____. used in prenatal diagnosis to detect chromosomal mutations and metabolic disorders in embryos. The human has __________ sets of autosomal chromosomes. 22. An X-linked recessive gene (c) produces red-green color blindness. A normal woman whose father was color blind marries. Which letter in the accompanying figure represents the ovary in which haploid germ cells form by meiosis and gametes form when these cells divide by mitosis? gamete receives the maternal chromosomes, and the other gamete receives the paternal chromosomes..

Exam 4 Flashcards Quizle

  1. In the accompanying figure, which combination of letters accurately represents two homologous chromosomes? asked Jun 19, 2017 in Biology & Microbiology by Brandy. a. A and B b. A and C c. A and D d. B and F e. D and E</p> general-biology; 0 Answers. 0 votes. answered Jun 19, 2017 by.
  2. The accompanying figure depicts the change in concentration of species X and Y for the reaction X → Y as a function of time. The point of intersection of the two curves represents
  3. 300 seconds. Report an issue. Q. Some cells involved in the process of reproduction are represented in the diagram below. The process of meiosis formed. answer choices. cell 1, only. cells 1 and 2. cell 3, only
  4. Of the various chromosomal aberrations, inversions and translocations only represent changes in position of chromosome segments of different sizes, the total chromosome mass remaining unchanged. All segments are present in the original dosage, but distributed in a new way, i.e. qualitative alterations
  5. A. In the figure show here, which phase represents a haploid number of chromosomes? Select ALL that apply. - Metaphase I - S phase of interphase - Anaphase I - Prophase I - Prophase II - Anaphase II - Metaphase II B. Which of the following events is NOT mediated by microtubules? - Alignment of the chromosomes on the metaphase plate - Formation.
  6. Figure 2 is the image of Figure 1 after a reflection over line m. Figure 3 is the image of Figure 2 after a reflection over line n. Which single transformation would carry Figure 1 onto Figure 3? 1) a dilation 2) a rotation 3) a reflection 4) a translation 23 Triangle JTM is shown on the graph below. Which transformation would result in an.

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The letter B in the accompanying figure represents ____. asked Feb 25, 2019 in Biology & Microbiology by Brittany528. A. sclerenchyma fibers B. parenchyma C. xylem D. epidermis E. phloem. general-biology; 0 Answers. 0 votes. answered Feb 25, 2019 by Nursejass . Best answer. Answer: B 0. The process described in the figure is termed cleavage during which one zygote cell proliferates to form blastula, and then gastrula, by the process of mitosis. The diagram and chart below represent some of the changes a zygote undergoes during its development. The accompanying diagram represents chromosomes in a zygote The following diagram represents a normal wild type chromosome. De following diagram represents a normal wild type chromosome. Below this diagram is the same cnromosome in which a chromosomal has place the type of chromosomal mutation next to each set of chromosomes. Xc represents an x chromosome carrying the recessive colorblind allele The amount of DNA within a cell changes following each of the following events: fertilization, DNA synthesis, mitosis, and meiosis (Fig 2.14). We use c to represent the DNA content in a cell, and n to represent the number of complete sets of chromosomes. In a gamete (i.e. sperm or egg), the amount of DNA is 1c, and the number of.

Chromosomes are a key part of the process that ensures DNA is accurately copied and distributed in the vast majority of cell divisions. Still, mistakes do occur on rare occasions. Changes in the number or structure of chromosomes in new cells may lead to serious problems Chromosomal rearrangements encompass several different classes of events: deletions, duplications, inversions; and translocations. Each of these events can be caused by breakage of DNA double helices in the genome at two different locations, followed by a rejoining of the broken ends to produce a new chromosomal arrangement of genes, different from the gene order of the chromosomes before they. The unlettered circle at the top of the figure shows a diploid nucleus with four chromosomes that have not yet replicated. There are two pairs of homologous chromosomes, one long and the other short. One haploid set is black, and the other is gray. The circles labeled A to E show various combinations of these chromosomes

Ed Reschke/Photolibrary/Getty Images. Before a dividing cell enters mitosis, it undergoes a period of growth called interphase. About 90 percent of a cell's time in the normal cell cycle may be spent in interphase. G1 phase: The period prior to the synthesis of DNA.In this phase, the cell increases in mass in preparation for cell division Fine structure of chromosomes. The represents the centromere. A 123476589 b 12346789 c 165432789 d 1234566789. Basing your work on figure 17 7 use colored pens to represent the chromosomes of the fertile amphidiploid. The following diagrams. Y represents the y chromosome which lacks this gene and all. Letters represent major segments of the.

represents the production of offspring by an asexually reproducing organism C) 5. Base your answer to the following question on the diagram below and on your knowledge of biology. The diagram represents a single-celled organism, such as an amoeba, undergoing the changes shown. Celt contains 1 full set of single chromosomes Process 1 Cell contain Chromosome and Chromatid Numbers during Mitosis and Meiosis. A topic in biology that many students find challenging (and is known to appear on the DAT) is the number of chromosomes and chromatids present during the various stages of meiosis and mitosis in eukaryotes 11.Which illustration of a chromosomal change best represents a chromosome mutation known as a deletion? (1) (3) (2) (4) 12.A chromosomal alteration in which one or more pairs of homologous chromosomes fail to separate normally during meiotic cell division is known as (1) an addition (2) crossing-over (3) nondisjunction (4) translocatio The diagram below represents changes in the sizes of openings present in leaves as a result of the The accompanying diagram represents a cell in water. Formulas of molecules that can move C. the failure of chromosomes to separate D. blocked nerve messages page 8 test 7

Chapter 14 quiz- AP BIO Flashcards Quizle

Economics questions and answers. please answer all my question or dont answer ( only answer) 1. Figure: Change in the Total Surplus Reference: Ref 12-5 __ (Figure: Change in Total Surplus) Examine the figure Change in the Total Surplus. Which area represents the change in total surplus when the price falls from P1 to P2 The graph shows the volume changes in the left ventricle of a human heart during two cardiac cycles. The numbers 1, 2, 3 and 4 represent times when heart valves open or close. € (a)€€€€€Use information from the graph to complete the table in part (a). Place the number 1, 2, 3 or 4 in the appropriate box. € € Valve opens Valve close In the accompanying figure, 12 point and 28 point are measurements of which of the following? A. textual ratio B. font size C. graph scope D. data valence. B. font size Many worksheet cells like those in the accompanying figure contain a number that can be used in a calculation. What is the name for this? A. index B. valu The accompanying figure is a pedigree of a fairly common human hereditary trait; the boxes represent males and the circles represent females. Filled in symbols indicate the abnormal phenotype. Given that one gene pair is involved, aa Aa * Aa Aa aa Aa Aa Aa aa AA/Aa aa AA/Aa aa AA/Aa a) Is the inheritance pattern X-linked or autosomal

Mapping the chromosomal rearrangements between species can inform our understanding of genome evolution, reproductive isolation, and speciation. Here, we present a novel algorithm for identifying regions of synteny in pairs of genetic maps, which is implemented in the accompanying R package syntR. The syntR algorithm performs as well as previous ad hoc methods while being systematic. The diagram below represents the cloning of a carrot plant. Compared to each cell of the original carrot plant, each cell of the new plant will have (1) the same number of chromosomes and the same types of genes (2) the same number of chromosomes, but different types of genes (3) half the number of chromosomes and the same types of gene Wesley Lee, Ignatia B. Van Den Veyver, in Obstetric Imaging: Fetal Diagnosis and Care (Second Edition), 2018. Introduction. First clinically described in 1961 by Hirschhorn and subsequently in 1965 by Wolf, the 4p deletion syndrome, or Wolf-Hirschhorn Syndrome (WHS), is the first example of a classic human chromosomal deletion syndrome. 1,2 This rare condition, characterized by severe prenatal.

gray. The circles labeled A to E show various combinations of these chromosomes. 17) What is the correct chromosomal condition for one daughter nucleus at telophase of mitosis? 17) A) B B) C C) D D) E 18) What is the correct chromosomal condition at prometaphase of mitosis? 18) The following questions are based on the accompanying figure Using the figure above of the life cycle of humans, indicate what a represents. Select one: a. diploid egg b. meiosis II c. zygote or embryo d. fertilization e. mitosis Feedback The correct answer is: fertilization Question 2 Incorrect Mark 0.00 out of 1.0 Note that the G in G2 represents gap and the 2 represents second, so the G2 phase is the second gap phase. In the latter part of interphase, the cell still has nucleoli present. The nucleus is bounded by a nuclear envelope and the cell's chromosomes have duplicated but are in the form of chromatin Congenital anomalies are important causes of infant and childhood deaths, chronic illness and disability. Through the resolution on birth defects of the Sixty-third World Health Assembly (2010), Member States agreed to promote primary prevention and improve the health of children with congenital anomalies by

The plot on the left represents distances from chromosomal breakpoints observed in the RECQL5 shut-off experiments, while the one on the right represents the distances to simulated examples (100 independent trials) of computer-generated breakpoints in genes across the human genome (as it is represented on the Nimblegen chip) Chromosome Abnormalities Fact Sheet. Chromosome abnormalities can be numerical or structural. A numerical abnormality mean an individual is either missing one of the chromosomes from a pair or has more than two chromosomes instead of a pair. A structural abnormality means the chromosome's structure has been altered in one of several ways The entirety of chromosomes represents the genetic information of an organism. Hence, chromosome number and structure are very important. If there is a change in chromosome number and structure, it is known as a chromosome aberration, chromosomal anomaly, chromosomal abnormality or chromosome mutation. It can occur due to a loss, gain or. This petition represents the voice of the silenced and the continuous fight for accessibility. Around the country, thousands of disabled students fight for the right to attend college. My story coincides with this battle, and it is before you now. MORE ABOUT ME: When I was born, doctors dubbed me a 'miracle child'

In the accompanying figure, which combination of letters

If two breaks occur in one chromosome, sometimes the region between the breaks rotates 180 degrees before rejoining with the two end fragments. Such an event creates a chromosomal mutation called an inversion. Unlike deletions and duplications, inversions do not change the overall amount of the genetic material, so inversions are generally viable and show no particular abnormalities at the. Chromosomal abnormalities. Structural defects in chromosomes are another type of abnormality that can be detected in karyotypes (Fig 2.17). These defects include deletions, duplications, and inversions, which all involve changes in a segment of a single chromosome.Insertions and translocations involve two non-homologous chromosomes. In an insertion, DNA from one chromosome is moved to a non.

The accompanying figure depicts the change in

Meiosis Biology Quiz - Quiziz

The cell cycle. Actively dividing eukaryote cells pass through a series of stages known collectively as the cell cycle: two gap phases (G1 and G2); an S (for synthesis) phase, in which the genetic material is duplicated; and an M phase, in which mitosis partitions the genetic material and the cell divides 5.The diagram below represents changes in the sizes of openings present in leaves as a result of the actions of cells X and Y. The actions of cells X and Y help the plant to 1)release energy 2)store waste products 3)control nuclear division 4)manufacture proteins 6.In the diagram of a cell below, the structure labeled X. The XY sex-determination system is a sex-determination system used to classify many mammals, including humans, some insects (), some snakes, some fish (), and some plants (Ginkgo tree). In this system, the sex of an individual is determined by a pair of sex chromosomes.Females have two of the same kind of sex chromosome (XX), and are called the homogametic sex A recently published three-dimensional map of another wheat landrace cultivar CS based on in situ Hi-C data [] revealed that within-subgenome chromosomal interactions are considerably more abundant than inter-subgenome interactions.Additionally, subgenome A and B interactions are more frequent than interactions involving subgenome D [].The latter observation was confirmed by our data, but the.

Recent findings from Y chromosome comparisons between fathers and sons put the origin of global Y chromosome differences around 4,500 years ago. This timescale predicts that the last few thousand years of human population growth should be reflected in most of the branches of the Y chromosome tree The innermost telophasic group of chromosomes remain within a clear (i.e., yolk-free) area of the egg as the nuclear mass of the secondary oocyte. These changes occur as the egg leaves the ovary and before it reaches the oviduct. Possibly the same forces which bring about follicular rupture also influence this maturation process A simplified example of a station model plot used to represent meteorological conditions near the surface is shown in the accompanying figure. The station model depicts current weather conditions, cloud cover, wind speed, wind direction, visibility, temperature, dew point temperature, atmospheric pressure adjusted to sea level, and the change.

Quick Notes on Chromosomal Aberration Cell Biolog

The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.This number, along with the visual appearance of the chromosome, is known as the karyotype, and can be found by looking at the chromosomes through a microscope.Attention is paid to their length, the position of the centromeres. The graphs in Figure 5.57 represent the velocity, v, of a particle moving along the x -axis for time 0 ≤ t ≤ 5. The vertical scales of all graphs are the same. Identify the graph showing which particle: (a) Has a constant acceleration. (b) Ends up farthest to the left of where it started View Topic 4 Exam Questions to Study.docx from CGS 1100 at Indian River State College. Topic 4 Exam Questions to Study In the accompanying figure, the screen shown represents a _ in Design view. a The pattern of chromosomal gain and loss was non-random and chromosomes 8, 13 and 21 were the most frequently gained. Three distinct subgroups (numerical, structural and adverse) were identified. 1.The accompanying figure shows three different crystallographic planes for a unit cell of some hypothetical metal. The circles represent atoms (a) To what crystal system does the unit cell belong? (b) What would this crystal structure be called? (c) If the density of this metal is 18.91 g/cm3 , determine its atomic weight. 2

Figure 23-17 A ribbon model for illustrating twist and writhe. The ribbon in (a) represents the axis of a relaxed DNA molecule. Strain introduced by twisting the ribbon (underwinding the DNA) can be manifested as a change in writhe (b) or a change in twist (c). Changes in linking number are usually accompanied by changes in both writhe and twist The point of intersection of the two curves represents t1/2 .The intersection point indicates that half of the reactant X is converted into Y. The Questions and Answers of The accompanying figure depicts the change in concentration of species X and Y for the reaction , as a function oftime. The point of intersection of the two curves.

DNA relays genetic information for protein synthesis, while RNA stores genetic information. 17. One way in which a point mutation and a deletion mutation are different is that. . a. a point mutation is always harmful, and a deletion mutation is never harmful. b. a point mutation is a physical change, and a deletion mutation is a chemical change eukaryotic chromosomes. ANS: Prokaryotic chromosomes are typically (but not always) smaller than eukaryotic chromosomes; in addition, pro-karyotic chromosomes are circular, whereas eukaryotic chromosomes are linear. For example, the circular chro-mosome of E. coli, a prokaryote, is about 1.4 mm in cir-cumference

New species may arise via hybridization and without a change in ploidy. This process, termed homoploid hybrid speciation, is theoretically difficult because it requires the development of reproductive barriers in sympatry or parapatry. Theory suggests that isolation may arise through rapid karyotypic evolution and/or ecological divergence of hybrid neospecies Stages of Meiosis 1 and 2 (With Pictures) Meiosis is the type of cell division that is seen during the formation of gametes (sex cells). It consists of two successive divisions which are meiosis 1 and meiosis 2. In meiosis 1, the number of chromosomes is reduced by one-half and for this reason, it is called reduction division Karyotype characterizing the phenotypic aspects of the chromosome complement represents structural and functional organization of the nuclear genome. Its constancy ensures transfer of the same genetic material to the next generation, while variation enables ecological differentiation and adaptation. Superimposition of karyotype information onto a phylogenetic framework has immense utility in.

Number of chromosomes in a human cell at different stages of cell division. Which of the following presents a correct interpretation of the changes in chromosome number depicted in Figure 1? (A) DNA replication occurs between metaphase and anaphase, doubling the number of chromosomes. Between telophase and cytokinesis, the cell divides in two. An observed difference at a site nearly always represents a single event, not multiple independent changes over time. which may change with chromosomal rearrangements). In an accompanying. A single amino acid change from methionine to isoleucine in the SRY gene can cause an embryo with XY sex chromosomes to develop as a female. It is not difficult to imagine that such de novo. 22. The figure at the right shows metaphase I. How is the arrangement of chromosomes different from metaphase of mitosis? During mitosis, individual chromosomes line up at the metaphase plate. During meiosis, pairs of homologous chromosomes line up at the metaphase plate. 23. There are two divisions in meiosis

A. In the figure show here, which phase represents a ..

In human genetics, the Mitochondrial Eve (also mt-Eve, mt-MRCA) is the matrilineal most recent common ancestor (MRCA) of all living humans.In other words, she is defined as the most recent woman from whom all living humans descend in an unbroken line purely through their mothers and through the mothers of those mothers, back until all lines converge on one woman Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21. This extra genetic material causes the developmental changes and physical features of Down syndrome. Down syndrome varies in severity among individuals, causing lifelong intellectual disability and developmental delays Mitosis occurs in four phases. The phases are called prophase, metaphase, anaphase, and telophase. They are shown in Figure 7.3. 3 and described in detail below. Figure 7.3. 3: Mitosis is the phase of the eukaryotic cell cycle that occurs between DNA replication and the formation of two daughter cells. Mitosis has four substages, prophase. The accompanying diagram illustrates a proposed evolutionary path of certain organisms, based on the theory of evolution. Which statement could best be inferred from the information in this diagram? 1. Evolution does not involve gradual change. 3. Evolution begins with plants. 2. Evolutionary changes can result in extinction. 4 15.2.1 Identification of Chromosomes. A karyotype is the number and appearance of chromosomes, and includes their length, banding pattern, and centromere position. To obtain a view of an individual's karyotype, cytologists photograph the chromosomes and then cut and paste each chromosome into a chart, or karyogram (Figure 15.9).Figure 15.9 This karyotype is of a female human

(See figure below, where meiosis I begins with a diploid (2n = 4) cell and ends with two haploid (n = 2) cells.) In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23). Prophase I. During prophase I, chromosomal condensation allows chromosomes to be viewed under the. How sex is determined. Humans have an additional pair of sex chromosomes for a total of 46 chromosomes. The sex chromosomes are referred to as X and Y, and their combination determines a person's sex It typically occurs between a person's 30s and mid-60s. Some cases are caused by an inherited change in one of three genes. The three single-gene mutations associated with early-onset Alzheimer's disease are: Amyloid precursor protein (APP) on chromosome 21. Presenilin 1 (PSEN1) on chromosome 14 A key feature of HSF1-driven transcriptional activation is that it's remarkably rapid and robust, yet evanescent. In budding yeast, local chromatin changes at HSP gene promoters and coding regions are detected within 60 seconds of temperature upshift (30-39°C). Accompanying the rapid, and nearly quantitative, displacement of nucleosomes at yeast HSP genes are large increases in the.

The figure below summarizes the process of meiosis and the changes in ploidy that occur along the way. In this diagram, the dashed circle surrounding the chromosomes represents the boundary of the nuclear membrane (which is actually not present during division). Only two pairs of chromosomes are shown in this example; however, the ploidies. Cell cycle arrest and biochemical changes accompanying cell death in harmful dinoflagellates following exposure to bacterial algicide IRI-160AA. Sci. Rep. 7 , 45102; doi: 10.1038/srep45102 (2017)

The given figure depicts the change in concentration of

Chromosome structural changes with nonrecurrent endpoints associated with genomic disorders offer windows into the mechanism of origin of copy number variation (CNV). A recent report of nonrecurrent duplications associated with Pelizaeus-Merzbacher disease identified three distinctive characteristics. First, the majority of events can be seen to be complex, showing discontinuous duplications. The Covid-19 Vaccine-Development Multiverse. List of authors. Leaving in its wake more than 12 million infections, over 550,000 deaths, and an economic toll in the trillions of dollars to date, 1.

X-inactivation (also called Lyonization, after English geneticist Mary Lyon) is a process by which one of the copies of the X chromosome is inactivated in therian female mammals.The inactive X chromosome is silenced by it being packaged into a transcriptionally inactive structure called heterochromatin.As nearly all female mammals have two X chromosomes, X-inactivation prevents them from. White bars represent downregulated genes, black bars represent upregulated genes. B. Heat map of all gene expression data for the 66 samples with 18q genomic data available. (Figure 3). The chromosomal changes and accompanying gene expression changes show thus a good trend with the increasing malignancy of the tumor stages. Figure 2

The 46 chromosomes of a human cell are organized into 23 pairs, and the two members of each pair are said to be homologues of one another (with the slight exception of the X and Y chromosomes; see below). Human sperm and eggs, which have only one homologous chromosome from each pair, are said to be haploid ( 1n ) changes from travel in the positive x-direction to travel in the negative x-direction. In other words, at t = 40 s you reverse direction. (b) Figure 2.5 shows one way to turn the graph in Figure 2.4 into a vector diagram to show how a series of individual displacements adds together to a net displacement. Figure 2.5 shows five separat We have identified a Y-chromosomal lineage with several unusual features. It was found in 16 populations throughout a large region of Asia, stretching from the Pacific to the Caspian Sea, and was present at high frequency: ∼8% of the men in this region carry it, and it thus makes up ∼0.5% of the world total. The pattern of variation within the lineage suggested that it originated in. Changes that affect the structure of chromosomes can cause problems with growth, development, and function of the body's systems. These changes can affect many genes along the chromosome and disrupt the proteins made from those genes. Structural changes can occur during the formation of egg or sperm cells, in early fetal development, or in any. The X chromosome is one of the two sex chromosomes in humans (the other is the Y chromosome). The sex chromosomes form one of the 23 pairs of human chromosomes in each cell. The X chromosome spans about 155 million DNA building blocks (base pairs) and represents approximately 5 percent of the total DNA in cells

A molecular genetic linkage map based on tomato cDNA, genomic DNA, and EST markers was constructed for eggplant, Solanum melongena . The map consists of 12 linkage groups, spans 1480 cM, and contains 233 markers. Comparison of the eggplant and tomato maps revealed conservation of large tracts of colinear markers, a common feature of genome evolution in the Solanaceae and other plant families The hash marks represent regions of very unstable DNA. These areas, which are full of repeating sequences, are prone to accidentally getting duplicated, expanding the chromosome. They're also where chromosomes are likely to trade chunks with other chromosomes. That's why the red chromosome has a little green at the end DNA Replication. Before meiosis actually begins, the DNA that is packaged into chromosomes must be fully copied. Previous to replication, a germ cell contains two copies of each chromosome, a maternal copy, and a paternal copy. The maternal and paternal homologues represent the maternal and paternal genetic contributions to each cell and ensure.

To make it simpler, users can directly set big.gap in chordDiagram() (Figure 14.4).The value of big.gap corresponds to the gap between row sectors and column sectors (or first-column sectors and second-column sectors in the input is a data frame). Internally a proper gap.after is assigned to circos.par().Note it will only work when there is no overlap between row sectors and column sectors, or. SyMAP User Guide. This guide is for the Seq-to-Seq (sequence) synteny user interface. Note, the term pseudo and sequence are used interchangeably. Most of the contents also apply to the FPC-to-Seq view (unless stated otherwise). Specific information is provided in FPC specific Particularly high rates of chromosomal changes were observed for three branches. The first two of these branches correspond to the caballine/noncaballine divergence, suggesting extremely karyotypic plasticity 4.0-4.5 Mya with 8.34 and 17.7 chromosomal gains and losses already accumulated by the time of the most recent common noncaballine. The chromosomal passenger complex of Aurora B kinase, INCENP, and Survivin has essential regulatory roles at centromeres and the central spindle in mitosis. Here, we describe Borealin, a novel member of the complex. Approximately half of Aurora B in mitotic cells is complexed with INCENP, Borealin,

F3. Term. To advance rightward from one cell to the next in a table, press the ____ key. Definition. TAB. Term. If you want to select the first and third rows in the table in the accompanying figure, you select the first row, and then hold down the ____ key while selecting the third row. Definition 16. False - Crossing over results in chromosomes with different combinations of alleles. Random alignment just mixes whole chromosomes, but doesn't mess with the genes on the chromosomes. 17. D - if sperm, which is a product of meiosis, contains 5 chromosomes, the normal animal cell contains 10 chromosomes Figure legend or labels indicate that both forms are chromosomes. Chromosomes rather than chromatids determine ploidy. Diploid cells are drawn with two sets of chromosomes (which is pointed out in figure labels and/or figure legend) while the haploid version has only one set of chromosomes, clearly indicated. Gametes are haploid