Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 2P
Our closest primate relative, the chimpanzee, has a dip-loid number of 2n = 48. For each of the following stages of M phase, identify the number of chromosomes present in each cell.
a. end of mitotic telophase
b. meiotic metaphase I
c. end of meiotic anaphase II
d. early mitotic prophase
e. mitotic metaphase
f. early prophase I
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A cell in G1 of interphase has 12 chromosomes (2 n = 12). How many chromosomes and DNA molecules will be found per cell when this original cell progresses to the following stages? a. G2 of interphase b. Metaphase I of meiosis c. Prophase of mitosis d. Anaphase I of meiosis e. Anaphase II of meiosis f. Prophase II of meiosis g. After cytokinesis following mitosis h. After cytokinesis following meiosis II
Which of the following statements are True? There may be more than one answer.
Select one or more:
a. Mitosis results in 2 haploid cells
O b. If a parent cell with 10 chromosomes undergoes mitosis, each offspring cell will have 10 chromosomes
O c. At the start of meiosis, a human cell will have 46 chromosomes and 92 chromatids
d. The purpose of mitosis is the production of gametes
e. In Meiosis, crossing over occurs during Meiosis II
f. Meiosis only occurs in the testes and ovaries
A recently discovered bird species was found to have 29 chromosomes in its somatic cells before S phase.
a. How many chromosomes (2n) are present in a somatic cell during mitosis?
b. How many chromosomes does a bird receive from one parent?
c. How many sister chromatids are present during metaphase 2?
d. Assuming this species follows the same XX/XY sex differentiation as mammals, how many sex chromosomes are in an unfertilized egg?
Chapter 3 Solutions
Genetic Analysis: An Integrated Approach (3rd Edition)
Ch. 3 - Examine the following diagrams of cells from an...Ch. 3 - Our closest primate relative, the chimpanzee, has...Ch. 3 -
3. In a test of his chromosome theory of...Ch. 3 - Cohesion between sister chromatids, as well as...Ch. 3 - 5. The diploid number of the hypothetical animal...Ch. 3 - 6. An organism has alleles R1 and R2 on one pair...Ch. 3 - Explain how the behavior of homologous chromosomes...Ch. 3 - 8. Suppose crossover occurs between the homologous...Ch. 3 -
9. Alleles A and a are on one pair of autosomes,...Ch. 3 - Prob. 10P
Ch. 3 - Describe the role of the following structures or...Ch. 3 - A womans father has ornithine transcarbamylase...Ch. 3 - In humans, hemophilia A (OMIM 306700) is an...Ch. 3 -
14. A wild-type male and a wild-type female...Ch. 3 - 15. A woman with severe discoloration of her tooth...Ch. 3 - 16. In a large metropolitan hospital, cells from...Ch. 3 - In cats, tortoiseshell coat color appears in...Ch. 3 - 18. The gene causing Coffin–Lowry syndrome (OMIM...Ch. 3 - 19. Four eye-color mutants in Drosophila—apricot,...Ch. 3 - 20. For each pedigree shown,
a. Identify which...Ch. 3 - 21. Use the blank pedigrees provided to depict...Ch. 3 - 22. Figure 3.22 (page 89) illustrates reciprocal...Ch. 3 - 23. In fruit flies, yellow body (y) is recessive...Ch. 3 - 24. In a species of fish, a black spot on the...Ch. 3 - LeschNyhan syndrome (OMIM 300322) is a rare...Ch. 3 - 26. In humans, SRY is located near a...Ch. 3 - 27. In an 1889 book titled Natural Inheritance...Ch. 3 - 28. In Drosophila, the X-linked echinus eye...Ch. 3 - 29. A wild-type Drosophila male and female are...Ch. 3 - 30. Drosophila has a diploid chromosome number of...Ch. 3 - The cell cycle operates in the same way in all...Ch. 3 - 33. Form a small discussion group and decide on...Ch. 3 - 34. Duchenne muscular dystrophy (DMD; OMIM 310200)...Ch. 3 - Prob. 35P
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- Germ cells are specialized cells that develop into gametes. Gametes are produced through the process of meiosis. If the haploid number for monkeys is 27 chromosomes, how many chromosomes does a cell undergoing division have at each of the following phases? Select the row that correctly shows the number of chromosomes at each phase. Select one: a. G2 of Interphase Mitotic Metaphase Meiotic Metaphase I Meiotic Metaphase II 27 54 54 27 b. G2 of Interphase Mitotic Metaphase Meiotic Metaphase I Meiotic Metaphase II 54 27 27 27 c. G2 of Interphase Mitotic Metaphase Meiotic Metaphase I Meiotic Metaphase II 54 54 27 27 d. G2 of Interphase Mitotic Metaphase Meiotic Metaphase I Meiotic Metaphase II 54 54 54 27arrow_forwardHere is a list of events out of order for nondisjunction during meiosis l: A One homologous chromosome pair moves to the same side of the cell B Gametes are produced with the wrong number of chromosomes C Alignment of homologous pairs on the metaphase plate D Pairing and synapsis of homologous chromosomes E Spindle fibers shorten to separate the homologous chromosomes What is the correct order of events? i DCEAB CDAEB CDAEA DCEBAarrow_forwardA cell has 8 chromosomes in metaphase II of meiosis. How many chromosomes and DNA molecules will be present per cell in this same organism at the following stages? a. Prophase of mitosis b. Metaphase I of meiosis c. Anaphase of mitosis d. Anaphase II of meiosis e. Anaphase I of meiosis f. After cytokinesis that follows mitosis g. After cytokinesis that follows meiosis IIarrow_forward
- During which division process(es) are the kinetochores of both sister chromatids captured by microtubules from the same spindle pole? Choose one: O A. mitosis O B. meiosis I O C. meiosis I and II O D. meiosis IIarrow_forwardA micrograph of a mutated dividing cell from a zebrafish showed 19 chromosomes, each consisting of two sister chromatids. Which of the following stages of cell division would you expect such micrograph have been taken? a. prophase I of meiosis b. telophase II of mitosis c. prophase of mitosis d. prophase II of meiosisarrow_forwardCucumis sativus (cucumber) is a diploid plant with 7 chromosome pairs. Determine the following as its cell divides by mitosis or meiosis: a. number of centromeres at Metaphase I b. number of univalents at Anaphase I (per pole) c. number of chromatids at Prophase d. chromosome number at Metaphase chromosome number at Telophase I (after cytokinesis) С. е.arrow_forward
- Which of the following stages of meiosis II involves separation and movement of the sister chromatids toward the spindle poles? A. Telophase II B. Metaphase II C. Anaphase II D. Prophase IIarrow_forwardGerm cells are specialized cells that develop into gametes. Gametes are produced through the process of meiosis.If the diploid number for humans is 46 chromosomes, how many chromatids does a cell undergoing meiosis have at each of the following phases?Select the row that correctly shows the number of chromatids at each phase. Select one: a. G2 of Interphase Metaphase I Prophase II 92 46 46 b. G2 of Interphase Metaphase I Prophase II 92 92 46 c. G2 of Interphase Metaphase I Prophase II 46 92 23 d. G2 of Interphase Metaphase I Prophase II 46 46 23arrow_forwardWhich of the following stages of meiosis II involves the attachment of spindle microtubules to each sister chromatid? A. Telophase II B. Prophase II C. Anaphase II D. Metaphase IIarrow_forward
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