Multiple Choice
There are many more male conceptions than female conceptions because
A) the intrauterine environment is more hostile to female conceptions.
B) sperm containing the smaller Y chromosome are lighter so they can swim faster and reach the egg first.
C) there are fewer sperm that contain an X chromosome than contain a Y chromosome.
D) more eggs contain Y chromosomes than X chromosomes.
Correct Answer:

Verified
Correct Answer:
Verified
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