BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 11, Problem 1A
Which of the following does NOT contribute to genetic diversity?
a. Independent assortment
b. Recombination
c. Metaphase of meiosis II
d. Metaphase of meiosis I
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Which phase of meiosis is depicted in the drawing below?a. Metaphase of meiosis Ib. Metaphase of meiosis IIc. Anaphase of meiosis Id. Anaphase of meiosis II
A certain species has three pairs of chromosomes: one acrocentric pair and two metacentric pairs. Draw a cell of this species as it would appear in the following stages of meiosis: a. Metaphase I b. Anaphase I c. Metaphase II d. Anaphase II
Any deviation in the number of chromosomes that involves individual chromosomes, as opposed to entire sets of chromosomes, is known as which one of the following?a. Aneuploidy c. Duplication b. Disomy d. Translocation
Chapter 11 Solutions
BIOLOGY
Ch. 11.1 - Prob. 1LOCh. 11.1 - Prob. 2LOCh. 11.2 - Describe how homologous chromosomes pair during...Ch. 11.2 - Prob. 2LOCh. 11.3 - Prob. 1LOCh. 11.3 - Prob. 2LOCh. 11.3 - Prob. 3LOCh. 11.4 - Prob. 1LOCh. 11.4 - Prob. 2LOCh. 11.4 - Explain the importance of the suppression of...
Ch. 11 - Prob. 1IQCh. 11 - In comparing somatic cells and gametes, somatic...Ch. 11 - What are homologous chromosomes? a. The two halves...Ch. 11 - Chiasmata form a. between homologous chromosomes....Ch. 11 - Crossing over involves each of the following with...Ch. 11 - During anaphase I a. sister chromatids separate...Ch. 11 - At metaphase I the kinetochores of sister...Ch. 11 - What occurs during anaphase of meiosis II? a. The...Ch. 11 - Which of the following does NOT contribute to...Ch. 11 - How does DNA replication differ between mitosis...Ch. 11 - Which of the following is NOT a distinct feature...Ch. 11 - Which phase of meiosis I is most similar to the...Ch. 11 - Structurally, meiotic cohesins have different...Ch. 11 - Prob. 6ACh. 11 - Diagram the process of meiosis for an imaginary...Ch. 11 - Mules are the offspring of the mating of a horse...Ch. 11 - Compare the processes of independent assortment...Ch. 11 - Aneuploid gametes are cells that contain the wrong...
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- In what phase of meiosis/mitosis would you find doubled chromosomes moving to opposite sides of a cell? Group of answer choices A. metaphase of meiosis 1 B. anaphase of mitosis C. anaphase of meiosis 2 D. anaphase of meiosis 1 E. metaphase of meiosis 2arrow_forwardIndependent assortment is a mechanism that generates significant genetic diversity among gametes. When, during meiosis, does independent assortment occur? A. Prophase of meiosis II B. Anaphase of meiosis II C. Prophase of meiosis I D. Anaphase of meiosis I E. Metaphase of meiosis I F. Metaphase of meiosis II 35.arrow_forwardWhich stage of meiosis I is characterized by the formation of two haploid nuclei? A. Prophase I B. Telophase I C. Anaphase I D. Metaphase Iarrow_forward
- Which of the following represents things that are equivilant? a. Two alleles for the same gene in a homologous chromosome pair b. The sequences of DNA in the two sister chromatids of a chromosome after meiosis I c. the number of homologous chromosomes per cell before and after meiosis I d. the number of chromosomes in each of the four daughter cells after meiosis IIarrow_forwardThe stages of meiosis where independent assortment occurs and crossing over begins, respectively, are Select one: a. Metaphase I and prophase II b. Metaphase II and prophase I c. Metaphase I and prophase I d. Metaphase I and II and prophase I and IIarrow_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
- Crossovers occur between a. non-sister chromatids during meiosis I b. non-sister chromatids during meiosis II c. sister chromatids during meiosis I d. sister chromatids during meiosis IIarrow_forwardWhich phase of meiosis reduces the chromosomenumber?a. prophase I c. anaphase Ib. prophase II d. anaphase IIarrow_forwardThe amount of DNA in a diploid organism somatic cell prior to DNA replication is the same as the amount of DNA in one of its: a. germ cells at metaphase of meiosis I b. germ cells at prophase of meiosis I c. germ cells that have completed meiosis I, but have not yet started meiosis II d. germ cells that have completed meiosis II (mature gametes)arrow_forward
- In which phase of meiosis does crossing over occur? Group of answer choices A. prophase I B. prophase II C. anaphase II D. metaphase I E. metaphase Iarrow_forwardDuring which stage(s) of meiosis do you expect to find tetrads? Select one: a. Prophase I and prophase II b. Prophase I and metaphase I c. Prophase I only d. Prophase I, metaphase I, and anaphase Iarrow_forwardWhich of the following meiotic events by itself does NOT result in an abnormal set of genes in a gamete? a. Translocation b. Deletion c. Nondisjunction d. Recombination e. Inversionarrow_forward
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