Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 10TYK
During meiosis I,
- a. Homologous chromosomes separate, reducing the chromosome number by half.
- b. Crossing over between nonsister chromatids occurs.
- c. Paternal and maternal chromosomes assort randomly.
- d. all of the above occur.
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Students have asked these similar questions
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.
During meiosis I, which structures separate?
A.
Sister chromatids
B.
Homologous chromosomes
C.
Both A and B
D.
Neither A nor B
Which of the following occurs in meiosis I?a. All chromosomes duplicate.b. Homologous chromosomes randomly orient themselves on the metaphase plate, called independent assortment.c. The duplicated sister chromatids separate.d. The original cell divides into four diploid cells.
Chapter 13 Solutions
Study Guide for Campbell Biology
Ch. 13 - a. How many chromosomes are there in the somatic...Ch. 13 - Prob. 2IQCh. 13 - The following diagrams represent some of the...Ch. 13 - a. How many different assortments of maternal and...Ch. 13 - Label the following diagram to review the terms...Ch. 13 - Describe the key events of the following stages of...Ch. 13 - Create a concept map to help you organize your...Ch. 13 - What does meiosis do? a. It produces haploid cells...Ch. 13 - Asexual reproduction of a diploid organism a. is...Ch. 13 - Homologous chromosomes a. have identical DNA...
Ch. 13 - Which of the following represents a clone? a. a...Ch. 13 - What is a karyotype? a. a genotype of an...Ch. 13 - A reduction in the number of chromosomes per cell...Ch. 13 - In most fungi and some protists, a. Gametes are...Ch. 13 - In the alternation of generations found in plants,...Ch. 13 - A synaptonemal complex would be found during a....Ch. 13 - During meiosis I, a. Homologous chromosomes...Ch. 13 - Compared with one of the four cells produced by...Ch. 13 - Meiosis II is similar to mitosis because a. sister...Ch. 13 - The Texan nine-banded armadillo (Dasypus...Ch. 13 - Which of the following is a key difference between...Ch. 13 - Which of the following is not true of homologous...Ch. 13 - Which of the following statements is not true? a....Ch. 13 - In a species with a diploid number of 6, how many...Ch. 13 - In a sexually reproducing species with a diploid...Ch. 13 - The calculation of offspring in question 18...Ch. 13 - Prob. 20TYKCh. 13 - Which of the following statements describes why or...Ch. 13 - What is the evolutionary significance of bdelloid...
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- At the end of meiosis I, which of the following remains attached? A. Sister chromatids B. Homologous chromosomes C. Tetrads 36arrow_forwardThe pairing of homologous chromosomes occurs during which ofthe following?a. mitosis c. meiosis IIb. meiosis I d. All of the abovearrow_forwardDuring meiosis... A. Only sister chromatids come together before segregating to different daughter cells B. Only homologous chromosomes come together before segregating to different daughter cells C. Both sister chromatids and homologous chromosomes come together before segregating to different daughter cells D. none of the abovearrow_forward
- Which of the following is one of the very importantdifferences between mitosis and meiosis?a. Chromosomes align midway between spindle polesonly in meiosis.b. Homologous chromosomes separate only inmeiosis.c. DNA is replicated before mitosis only.d. Sister chromatids separate only in meiosis.e. Interphase occurs only in mitosis.arrow_forwardWhich of the following is the primary difference between mitosis and meiosis? A. Meiosis occurs in somatic cells, whereas mitosis is only used to produce germ cells. B. Mitosis occurs in somatic cells, whereas meiosis is only used to produce germ cells. C. Meiosis always occurs much more quickly than mitosis. D. Only meiosis includes a separation division step, which occurs during Meiosis I.arrow_forwardSalient similarities are found in cell divisions. For instance, which phase of meiosis I is most similar to the comparable phase in mitosis? a. none b. Telophase 1 c. Anaphase 1 d. Prophase 1 e. Metaphase 1arrow_forward
- The dividing cells shown in the picture would be in _?_ of _?_. Assume that the starting cell was diploid and it was 2n=4. A. Metaphase, mitosis B. Metaphase, meiosis I C. Metaphase, meiosis II D. Anaphase, meiosis I E. Anaphase, mitosisarrow_forwardDraw a diagram of four stages of Meiosis I in a hypothetical animal cell having six chromosomes.arrow_forwardMeiosis results in which what of the following? a.)2 haploid daughter cells b.)2 diploid daughter cells c.)4 haploid daughter cells d.)4 diploid daughter cellsarrow_forward
- A diploid male organism has two homologous chromosomes. A and B are from its maternal parent, while A’ and B’ are from its paternal parent. Draw the chromosomes at the following stages: a, anaphase of mitosis b. anaphase of the first meiotic division c, anaphase of the second meiotic division If the same chromosomes were involved in meiosis in a female, would the kind of egg nuclei produced be different from the sperm nuclei? Why?arrow_forwardAt the metaphase plate during metaphase II of meiosis, there area. chromosomes consisting of one chromatid.b. unpaired duplicated chromosomes.c. bivalents.d. homologous pairs of chromosomes.e. Both c and d are correct.arrow_forwardWhich of the following occur during anaphase II of meiosis? Select one: a. The APC adds phosphates to motor proteins causing them to rebuild the nuclear envelope. b. Homologous chromosomes of the tetrad separate and move to opposite poles of the newly dividing cell. c. DNA de-condenses. d. Non-identical (due to recombination) sister chromatids are split, attach to motor proteins, and are moved to separate polesarrow_forward
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