Which of the following statements about nondisjunction is false?
A)Nondisjunction in meiosis can affect autosomes and sex chromosomes.
B)In mammals, extra copies of the Y chromosome are typically inactivated.
C)In general, a single Y chromosome is enough to produce "maleness."
D)Women with a single X chromosome have Turner syndrome and are sterile.

Question

Quizplus · Accepted Answer

In mammals, extra copies of the Y chromosome are not typically inactivated because there are very few genes on the Y chromosome that are necessary for survival. However, in humans, the presence of multiple Y chromosomes can lead to developmental abnormalities and fertility problems.

Which of the Following Statements About Nondisjunction Is False