Essay
Describe the events that must occur in order for sperm to penetrate an egg.What prevents more than one sperm from entering? In the case of twins, how many sperm entered the egg? Why must a man have millions of sperm in a semen sample to be considered fertile? If only one sperm were present in the semen and that sperm managed to find its way to the egg, could it fertilize the egg? Explain.
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The sperm must penetrate the corona radi...View Answer
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