EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Textbook Question
Chapter 9.1, Problem 2CC
WHAT IF? A chicken has 78 chromosomes in its somatic cells. How many chromosomes did the chicken inherit from each parent? How many chromosomes are in each of the chicken’s gametes? How many chromosomes will be in each somatic cell of the chicken’s offspring?
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. A mature female wolf, with 78 diploid chromosomes in each somatic cell, produces haploid oocytes (egg cells) containing how many chromosomes per cell?
1 sex-determining chromosome (Y) and 38 autosomes
2 sex-determining chromosomes (XX) and 76 autosomes
1 sex-determining chromosome (X) and 39 autosomes
2 sex-determining chromosomes (XY) and 76 autosomes
1 sex-determining chromosome (X) and 38 autosomes
D and e please !
Chapter 9 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 9.1 - WHAT IF? A chicken has 78 chromosomes in its...Ch. 9.2 - Compare cytokinesis in animal cells and plant...Ch. 9.2 - Prob. 3CCCh. 9.2 - Compare the roles of tubulin and actin during...Ch. 9.3 - Prob. 1CCCh. 9.3 - Prob. 2CCCh. 9.3 - Compare and contrast a benign tumor and a...Ch. 9.3 - Prob. 4CCCh. 9 - Through a microscope, you can see a cell plate...Ch. 9 - In the cells of some organisms, mitosis occurs...
Ch. 9 - Which of the following does not occur during...Ch. 9 - Prob. 4TYUCh. 9 - The drug cytochalasin B blocks the function of...Ch. 9 - DRAW IT Draw one eukaryotic chromosome as it would...Ch. 9 - The light micrograph shows dividing cells near the...Ch. 9 - SCIENTIFIC INQUIRY Although both ends of a...Ch. 9 - FOCUS ON EVOLUTION The result of mitosis is that...Ch. 9 - SYNTHESIZE YOUR KNOWLEDGE Shown here are two He La...Ch. 9 - FOCUS ON INFORMATION The continuity of life is...
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- Please help?arrow_forwardIn Drosophila, two genes, one for body color and one for eye color, are carried on the same chromosome. The wild-type gray body color is dominant to black body color, and wild-type red eyes are dominant to purple eyes. You make a cross between a fly with gray body and red eyes and a fly with black body and purple eyes. Among the offspring, about half have gray bodies and red eyes and half have black bodies and purple eyes. A small percentage have: (a) black bodies and red eyes; or (b) gray bodies and purple eyes. What alleles are carried together on the chromosomes in each of the flies used in the cross? What alleles are carried together on the chromosomes of the F1 flies with black bodies and red eyes, and those with gray bodies and purple eyes?arrow_forwardHuman females have two X chromosomes (XX); males have one X and one Y chromosome (XY). a. With respect to X chromosome alleles, how many different types of gametes can a male produce? b. If a female is homozygous for an allele on an X chromosome, how many types of gametes can she produce with respect to that allele? c. If a female is heterozygous for an X chromosome allele, how many types or gametes can she produce with respect to that allele?arrow_forward
- Can someone help with this question?arrow_forwardDraw a Punnett square. cross an XX woman with an XY man. How many kinds of eggs can a woman produce in terms of their sex chromosomes? How many kinds of sperm cells can men produce in terms of their sex chromosomes? In any given fertilization event, what is the chance that a child will be XX? XY? In any given fertilization event, what is the chance that a child will be male? Female?arrow_forwardVISUALIZE Sketch a series of diagrams showing each of the following, making sure to end each series with haploid cells: (a)How a pair of alleles for a single locus segregate in meiosis (b)How the alleles of two unlinked loci assort independently in meiosis (c)How the alleles of two linked loci undergo genetic recombinationarrow_forward
- F₁ generation 1. Parents with the following homozygous genotypes for both traits were crossed in order to produce F₂ offspring. RRSS x rrss (Purple, Smooth) x (yellow, wrinkled) What types of gametes can each parent produce? RRSS rrss (Remember how we determine gamete combinations of genes located in non-homologous chromosomes) The gametes produced by the Purple, Smooth parent would be: RS RS RS RS First R and first S First R and second S Second R and first S = Second R and second S = The gametes produced by the yellow, wrinkled parent would be: First r and first s rs First r and second s Second r and first s Second r and second s rs rs rs 2. In the space provided below, make a Punnett Square using these parents. Determine the possible types of offspring (F₁ generation), and answer the following questions: What are the genotypes of the F₁ generation?__ What are the phenotypes of the F₁ generation?arrow_forward2 In mammals, males have two different sex chromosomes (X and Y) and females have two similar sex chromosomes (X and X). However, in birds males have two similar sex chromosomes (Z and Z), while females have two different sex chromosomes (Z and W). (a) Complete the genetic diagram to show how sex is inherited in birds. Genotype of male parent Genotype of female parent Gametes from male parent Gametes from female parent Genotypes of offspring Sex of offspringarrow_forward11arrow_forward
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