Human Heredity: Principles and Issues (MindTap Course List)
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 8QP

Tetraploidy may result from:

  1. a. lack of cytokinesis in meiosis II
  2. b. nondisjunction in meiosis I
  3. c. lack of cytokinesis in mitosis
  4. d. nondisjunction in mitosis in the early embryo
  5. e. none of these
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which of these could lead to the mistake evident in the karyotype? A) a failure of cytokinesis after meiosis I in gamete formation B) a nondisjunction in meiosis II in gamete formation  C) crossing over in meiosis ! in gamete formation D) fertilizaton by two sperm in zygote formation
At the end of meiosis in humans, four gametes are produced that are:   A. Genetically identical to each other and to the parent cell   B. Genetically identical to each other but genetically different from the parent cell   C. Genetically different from each other and the parent cell   D. Genetically identical to the parent cell from different from each other
Consider a diploid cell from an unknown organism that undergoes meiosis. The four gametes produced have 8, 8, 7, and 5 chromosomes. When did nondisjunction occur? a.Meiosis I and II b.Only meiosis I c.Mitosis d.Only meiosis II e.Nondisjunction did not occur

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Human Heredity: Principles and Issues (MindTap Course List)

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