What Is the Expected Result When Two Homologous Chromosomes Fail

question 23

Multiple Choice

What is the expected result when two homologous chromosomes fail to separate during meiosis I of spermatogenesis?

• A)Fertilization of this gamete may result in a zygote that is 48, XXYY.
• B)One gamete will have two of these chromosomes, and one will have neither of these chromosomes.
• C)The risk for development of polygenic disorders is increased with fertilization of the polar body associated with this mature gamete.
• D)Increased genetic diversity is possible with fertilization of any of these four gametes because of an increased number of possible gene alleles.

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