Generally,only One Sperm Fertilizes an Egg Because

question 8

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, it separates the fertilization membrane and forms a barrier to other sperm.

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Definitions:

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The self-image formed during adolescence that integrates our ideas of what we are and what we want to be.

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a developmental stage ranging approximately from the late teens to the early thirties, focusing on exploring personal relationships and career choices.

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