In humans, what has to occur for an egg to be considered fertilized?
(A) A sperm has to penetrate the outer coating of the egg.
(B) An egg has to be present when sperm enter the woman.
(C) A few hundred sperm have to cover the outer coating of the eg.
(D) The sperm nucleus and the egg nucleus must join.
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In humans, what has to occur for an egg to be considered fertilized?
(A) A sperm has to penetrate t...
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