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 3.6, Problem 1COMQ
Which of the following is not one of the tenets of the chromosome theory of inheritance?
a. Chromosomes contain the genetic material that is transmitted from parent to offspring and from cell to cell.
b. Chromosomes are replicated and passed along, generation after generation, from parent to offspring.
c. Chromosome replication occurs during the S phase of the cell cycle.
d. Each parent contributes one set of chromosomes to its offspring.
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Students have asked these similar questions
The use of chemotherapy drugs that interfere with the cell cycle is avoided during pregnancy. This is because they:
a. Ingibit the synthesis of proteins by the mitochondria.
b. Block the production of ATP by the ribosomes.
c. Interfere with the ability of the fetal cells to replicate.
d. Cause nondisjunction of the chromosomes, causing fetal cells to have two of each chromosome instead of three.
A parent cell divides to form two genetically identical daughter cells in the process of mitosis. For mitosis to take place:
A.
the parent cell must divide its DNA in half so each daughter cell gets only the genes needed to carry out its functions. In this way, differentiation occurs.
B.
the parent cell must reproduce its DNA during telophase
C.
the parent cell must first be fertilized
D.
the parent cell must replicate its entire genome prior to mitosis
E.
crossover must be delayed until the second cell division
What is the fundamental difference between mitosis and meiosis?
A.
DNA is replicated twice in meiosis, but only once in mitosis.
B.
The number of DNA molecules per cell nucleus is cut in half in meiosis but remains constant in mitosis.
C.
The number of chromosomes doubles in meiosis, whereas it stays the same in mitosis.
D.
Mitosis involves two cell divisions, whereas meiosis only involves one.
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Even though the processes are very similar, mitosis and meiosis are two very distinct processes. What is the difference between meiosis and mitosis? a. Mitosis results in two identical sister cells genetically identical to the original parent cell, while meiosis also starts with diploid but results in haploid cells. b. Mitosis only occurs in plants and single cell organisms, while meiosis only occurs in animals. c. Mitosis starts with diploid but results in haploid cells, while meiosis results in two identical sister cells genetically identical to the original parent cell.arrow_forwardHow would each of the following events affect the outcome of mitosis or meiosis? a. Mitotic cohesin fails to form early in mitosis. b. Shugoshin is absent during meiosis. c. Shugoshin does not break down after anaphase I of meiosis. d. Separase is defective.arrow_forwardFor most dividing cells in a diploid organism, the time spent in mitosis is approximately 4% of the total time of the cell cycle. In a population of continually dividing cells isolated from this organism, most of the cells would... A.have highly condensed chromatin. B. be in interphase (G1 or S or G2). C. be in mitosis. D. be in meiosis.arrow_forward
- Using the symbols above: 1. Given: Adult diploid cell (2n = 8) 2. Show the condition of the chromosomes in the following Mitosis phases (illustrate): a. prophase b. metaphase c. anaphase d. telophase/cytokinesisarrow_forwardIn an organism’s genome, autosomes are a. the chromosomes that differ between the sexes. b. chromosomes that are involved in sex determination. c. only inherited from the mother (maternal inheritance). d. all of the chromosomes other than sex chromosomesarrow_forwardWhich of the following situations does not describes a chromosomal mutation? Select one: a. A cytosine nucleotide is substituted for thymine nucleotide in a gene. b. A portion of Chromosome 4 is deleted during interphase of meiosis. c. The sister chromatids of Chromosome 18 do not separate during anaphase II. d. A section of Chromosome 17 is duplicated leading to problems in the peripheral nervous system.arrow_forward
- Why are dominant mutations in proto-oncogenes generally not inherited? A. Inherited mutations in proto-oncogenes would not affect cell division rate B. Inherited mutations in proto-oncogenes would decrease cell division rate and no viable embryo would form C. Inherited mutations in proto-oncogenes would increase cell division rate and no viable embryo would form D. Dominant mutations in proto-oncogenes are always inheritedarrow_forwardWhich of the following statements correctly describes the process of mitosis in a diploid cell?Note: a complete set of chromosomes refers to one of each kind of chromosome. A complete set of homologous chromosomes refers to two of each kind of chromosome - one from the mother and one from the father) Select one: a. A complete set of homologous chromosomes are divided into each daughter cell so that each new cell gets one set of chromosomes. b. Cytoplasm and its organelles are equally divided into each daughter cell. c. A complete set of homologous chromosomes are equally divided into each reproductive cell. d. DNA and cytoplasm are equally divided into each daughter cell.arrow_forwardThese items separate from each other during Anaphase of Mitosis. a. Sister chromatids b. Homologous chromosomes c. Genes d. The two parts of the cellarrow_forward
- How is homologous recombination for DNA repair different from recombination in meiosis? Choose all correct answers. a. HR in DNA repair requires a double-strand break, but meiotic recombination does not. b. HR in DNA repair requires strand invasion, but meiotic recombination does not. c. HR in DNA repair results in identical chromosomes. Meiotic recombination results in changes to the DNA sequence of the "repaired" chromosomes. d. HR in DNA repair uses a newly synthesized identical chromosome as a template. Meiotic recombination uses a homologous chromosome as a template.arrow_forwardWhich of the following is true regarding “tetrad grouping” in cell division? A. Occurs in meiosis B. Occurs in Mitosis C. Adds to the genetic variance of offspring D. Both A & Carrow_forwardWhich of the following statements does not correctly describe the characteristics of homologous chromosomes? Select one: a. They have the centromeres located at the same spot. b. They contain identical alleles. c. They contain the same genes. d. The size and shape of the chromosomes are the same.arrow_forward
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