Characterize the frequency of changes in chromosome number in humans.
A) Close to half of all conceptions are aneuploid.
B) They are a major cause of reproductive failure.
C) The frequency is significantly higher than it is in closely-related animals.
D) All of these.
E) None of these.
Correct Answer:
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Q12: Studies on aneuploidies of the sex chromosomes
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A) fertilization of
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