Generally,only One Sperm Fertilizes an Egg Because

question 5

Multiple Choice

Generally,only one sperm fertilizes an egg because

• A)there are so few sperm that two are unlikely to arrive at the same time.
• B)sperm compete and only the most fit one is accepted.
• C)many sperm enter but only one set of chromosomes fuses with the egg nucleus;excess sperm are absorbed.
• D)when the first sperm membrane fuses with the egg membrane,a barrier to other sperm forms.

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