Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 3.3, Problem 1COMQ
What is the function of the kinetochore during mitosis?
a. It promotes the attachment of monads to each other to form a dyad.
b. It is a location where a kinetochore microtubule can attach to a chromosome.
c. It promotes the condensation of chromosomes during prophase.
d. Both a and b are correct.
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Check out a sample textbook solutionStudents have asked these similar questions
Which process leads to independent assortment?
a)The process of separating chromosomes
b)The random alignment of homologs with respect to the others on the metaphase plate
c)The process of forming the mitotic spindle
d)The process of cytokinesis
a) In which stage of mitosis do chromosomes condense?
(b) If a eukaryotic organism has a total of 34 chromosomes, how many pairs will the chromosomes be arranged in?
(c) Define homologous chromosomes.
In eukaryotic cells, which occurs during the prophase of mitosis?
A. appearance of the nuclear envelope
B. breakup of the nuclear envelope
C. replication of DNA
D. separation of sister chromatids
E. duplication of chromatids
Chapter 3 Solutions
Genetics: Analysis and Principles
Ch. 3.1 - 1. Which of the following is not found in a...Ch. 3.1 - When preparing a karyotype, which of the following...Ch. 3.1 - How many sets of chromosomes are found in a human...Ch. 3.2 - Binary fission a. is a form of asexual...Ch. 3.2 - Prob. 2COMQCh. 3.2 - What critical event occurs during the S phase of...Ch. 3.3 - 1. What is the function of the kinetochore during...Ch. 3.3 - Prob. 2COMQCh. 3.4 - Prob. 1COMQCh. 3.4 - Which phase of meiosis is depicted in the drawing...
Ch. 3.5 - In animals, a key difference between...Ch. 3.5 - Which of the following statements regarding plants...Ch. 3.6 - Which of the following is not one of the tenets of...Ch. 3.6 - A pea plant has the genotype TtRr. The independent...Ch. 3.6 - In mammals, sex is determined by a. the SRY gene...Ch. 3.6 - An abnormal fruit fly has two sets of autosomes...Ch. 3 - The process of binary fission begins with a single...Ch. 3 - 2. What is a homolog? With regard to genes and...Ch. 3 - What is a sister chromatid? Are sister chromatids...Ch. 3 - With regard to sister chromatids, which phase of...Ch. 3 - A species is diploid and has three chromosomes per...Ch. 3 - How does the attachment of kinetochore...Ch. 3 - 7. For the following events, specify whether they...Ch. 3 - Prob. 8CONQCh. 3 - A cell is diploid and contains three chromosomes...Ch. 3 - Prob. 10CONQCh. 3 - A eukaryotic cell is diploid and contains 10...Ch. 3 - Prob. 12CONQCh. 3 - 13. A cell has four pairs of chromosomes. Assuming...Ch. 3 - 14. With regard to question C13, how would the...Ch. 3 - Eukaryotic cells must sort their chromosomes...Ch. 3 - Why is it necessary for the chromosomes to...Ch. 3 - Nine-banded armadillos almost always give birth to...Ch. 3 - 18. A diploid species has four chromosomes per set...Ch. 3 - 19. Explain why the products of meiosis may not be...Ch. 3 - The period between meiosis I and meiosis II is...Ch. 3 - 21. List several ways in which telophase appears...Ch. 3 - Corn has 10 chromosomes per set, and the...Ch. 3 - The arctic fox has 50 chromosomes (25 per set),...Ch. 3 - 24. Let’s suppose that a gene affecting...Ch. 3 - 25. Describe the cellular differences between male...Ch. 3 - 26. At puberty, the testes contain a finite number...Ch. 3 - Describe the timing of meiosis I and II during...Ch. 3 - 28. Three genes (A, B, and C) are found on three...Ch. 3 - A woman with an abnormally long chromosome 13 (and...Ch. 3 - Assuming that such a fly would be viable, what...Ch. 3 - 31. What would be the sex of a human with each of...Ch. 3 - When studying living cells in a laboratory,...Ch. 3 - 2. In Morgan’s experiments, which result do you...Ch. 3 - 3. In his original studies of Figure 3.18, Morgan...Ch. 3 - How would you set up crosses to determine if a...Ch. 3 - 5. Occasionally during meiosis, a mistake can...Ch. 3 - Lets suppose that you have made a karyotype of a...Ch. 3 - Prob. 7EQCh. 3 - 8. White-eyed flies have a lower survival rate...Ch. 3 - A rare form of dwarfism that also included hearing...Ch. 3 - 10. Discuss why crosses (i.e., the experiments of...Ch. 3 - Prob. 11EQCh. 3 - 12. Experimentally, how do you think researchers...Ch. 3 - 1. In Figure 3.18, Morgan obtained a white-eyed...Ch. 3 - 3. Discuss the principles of the chromosome theory...
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- Which describes a role for the kinetochore microtubules during mitosis? Polymerization drives anaphase A. Depolymerization drives anaphase B. Depolymerization drives anaphase A. Depolymerization drives separation of centrosomes (spindle poles) during prometaphase.arrow_forwardName the phases of the cell cycle. b) During which phases are the chromosomes and then the cytoplasm split, respectively? c) Describe one mechanism that is used to regulate the cell cycle.arrow_forwardWhy is there a need to produce diploid type of cell at the of cell division? a.)So that the cells produced are exact copy of the parent cell b.)So that abnormalities of the cell will be avoided c.)So that the purpose of growth happens in the organism d.)So that the copy of DNA is retainedarrow_forward
- When does DNA replication occur during meiosis? a. during telophase b. during prophase I c. during anaphase and telophase d. during interphase before meiosis I beginsarrow_forwardDraw a well labelled diagram to show the anaphase stage of mitosis in a plant cell having four chromosomes.arrow_forwardWhich set of daughter cells would result if the parent cell shown at left underwent mitosis? A) A B) B C) C D) Darrow_forward
- Which statement is NOT true about mitosis? A Mitosis uses a 2n parent cell to form daughter cells containing 1n chromosomes.Mitosis is a process that duplicates and divides the nuclear contents only. B Mitosis produces two daughter cells that contain the same number of chromosomes as the parent cell. C Mitosis uses a 2n parent cell to form daughter cells containing 1n chromosomes. D Mitosis is nuclear division plus cytokinesis.arrow_forwardProvide one probable consequence if mitosis had never evolved?arrow_forwardWhich statement below best describes the overall function of meiosis 2? A. Separates homologous chromosomes prior to cell division B. Separate sister chromatids prior to cell division C. Independently arranges homologous chromosomesarrow_forward
- Create a table of the phases of mitosis and what is happening in each phasearrow_forwardWhat process must happen in order for sister chromatids to be formed? a crossing over b DNA replication c relaxation of chromosomes during interphase d meiosisarrow_forwardB. Meiosis C. Could be either mitosis or meiosis QUESTION 5 What is the role of nonkinetochore microtubules? A. They move the chromosomes to either side of the cell during cell division B. They elongate the cells prior to cell division OC. They aid in DNA replication prior to cell division D. they help to create the cell plate Click Save and Submit to save and submit. Click Save All Answers to save all answers.arrow_forward
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