Concepts of Genetics (11th Edition)
11th Edition
ISBN: 9780321948915
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Chapter 2, Problem 29ESP
Draw all possible combinations of chromatids during the early phases of anaphase in meiosis II.
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Draw all possible combinations of chromatids during the early phases of anaphase in meiosis II.
Consider a diploid cell that contains 7 pairs of chromosomes. Each pair includes a maternal and a paternal member (for example: AP pair) or AP B ^ n * B ^ p (two pairs). How many different combinations of chromatids are possible during the early phases of anaphase in meiosis II?
During meiosis I, assuming no crossing over, what chromatid combination(s) will be present at the completion of prophase? Draw all possible alignments of chromatids as migration begins during early anaphase.
Chapter 2 Solutions
Concepts of Genetics (11th Edition)
Ch. 2 - With the initial appearance of the feature we call...Ch. 2 - An organism has a diploid number of 16 in a...Ch. 2 - Examine Figure 2.12, which shows oogenesis in...Ch. 2 - Prob. 1CSCh. 2 - Prob. 2CSCh. 2 - Prob. 3CSCh. 2 - In this chapter, we focused on how chromosomes are...Ch. 2 - Review the Chapter Concepts list on page 14. All...Ch. 2 - What role do the following cellular components...Ch. 2 - Discuss the concepts of homologous chromosomes,...
Ch. 2 - If two chromosomes of a species are the same...Ch. 2 - Describe the events that characterize each stage...Ch. 2 - How are chromosomes named on the basis of their...Ch. 2 - Contrast telophase in plant and animal mitosis.Ch. 2 - Describe the phases of the cell cycle and the...Ch. 2 - Define and discuss these terms: (a) synapsis, (b)...Ch. 2 - Contrast the genetic content and the origin of...Ch. 2 - Given the end results of the two types of...Ch. 2 - Contrast spermatogenesis and oogenesis. What is...Ch. 2 - Explain why meiosis leads to significant genetic...Ch. 2 - A diploid cell contains three pairs of homologous...Ch. 2 - Considering Problem 15, predict the number of...Ch. 2 - During oogenesis in an animal species with a...Ch. 2 - What is the probability that, in an organism with...Ch. 2 - Prob. 19PDQCh. 2 - Describe the role of meiosis in the life cycle of...Ch. 2 - Contrast the chromatin fiber with the mitotic...Ch. 2 - Describe the folded-fiber model of the mitotic...Ch. 2 - Prob. 23PDQCh. 2 - If one follows 50 primary oocytes in an animal...Ch. 2 - The nuclear DNA content of a single sperm cell in...Ch. 2 - In mitosis, what chromatid combination(s) will be...Ch. 2 - During meiosis I, assuming no crossing over, what...Ch. 2 - Are there any possible combinations present during...Ch. 2 - Draw all possible combinations of chromatids...Ch. 2 - Assume that during meiosis I none of the C...Ch. 2 - Assume that each gamete resulting from Problem 29...Ch. 2 - A species of cereal rye (Secale cereale) has a...Ch. 2 - An interesting procedure has been applied for...Ch. 2 - Assume that you were examining a first polar body...Ch. 2 - Kuliev and Verlinsky (2004) state that there was a...
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- Explain how the random alignment of homologous chromosomes during metaphase I contributes to the variation in gametes produced by meiosis.arrow_forwardAt which stage of meiosis are sister chromatids separated from each other? a. prophase I b. prophase ll c. anaphase I d. anaphase llarrow_forwardIn kangaroos, the somatic cells are diploid, having 22 chromosomes. How many chromosomes are present in each cell at metaphase II of meiosis?arrow_forward
- Briefly explain why there is no interphase in between Meiosis I and Meiosis II.arrow_forwardThe mosquito, Aedes aegypti, has 3 bivalents (homologous pairs) formed at Meiosis I. How many chromosomes and chromatin strands are present in each of the following stages:arrow_forwardA cell undergoing division has a haploid chromosome number of 15. Give the numerical value for each of the following: 1. number of chromatids in a cell in metaphase of meiosis II2. number of centromeres in a cell in prophase of meiosis II 3. number of centromeres following cytokinesis of meiosis Iarrow_forward
- Describe the differences in the activity of the homologouschromosomes in prophase and metaphase of meiosis I andmitosis.arrow_forwardIn an organism with a diploid number of 16, how many chromatids are present in each of the following phases: Mitotic metaphase Meiotic metaphase I Meiotic metaphase IIarrow_forwardS1arrow_forward
- What would be the amount of DNA picograms during Prophase I, Metaphase I, Anaphase I and after Cytokinesis during Meiosis I for a diploid (2n=4)?arrow_forwardCan somebody label mitosis and meiosis I/II in reference to whether the chromosomes are diploid or haploid? For example, after crossing over in prophase I, will metaphase I, anaphase I, and beyond just have diploids as chromosomes?arrow_forwardA certain species of animal has 18 chromosomes in its diploid cells (2n=18). Describe what the metaphase chromosome arrangement would look like for this species in each of the following stages: mitosis, meiosis I, and meiosis IIarrow_forward
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