do now topic 3 Flashcards

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1
Q

what happens in the cell once sperm cell has entered in

A

meiosis is complete
chromosomes cime together

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2
Q

why is important that gametes are produced by meiosis

A

half the chromosome numbers
genetic variation

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3
Q

how is sperm able to enter the ovum

A

acrosome present
digestive enzymes break down jell like structure around the ovum
acrosomal reaction

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