Biology
Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 11, Problem 4S

Aneuploid gametes are cells that contain the wrong number of chromosomes. Aneuploidy occurs as a result of nondisjunction, or lack of separation of the chromosomes during either phase of meiosis.

a. At what point in meiotic cell division would nondisjunction occur?

b. Imagine a cell had a diploid chromosome number of four. Create a diagram to illustrate the effects of nondisjunction of one pair of homologous chromosomes in meiosis I versus meiosis II.

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