In Vertebrate Animals, Spermatogenesis and Oogenesis Differ in That

question 31

Multiple Choice

In vertebrate animals, spermatogenesis and oogenesis differ in that

• A) oogenesis begins at the onset of sexual maturity, whereas spermatogenesis begins during embryonic development.
• B) oogenesis produces four haploid cells, whereas spermatogenesis produces only one functional spermatozoon.
• C) cytokinesis is unequal in oogenesis, whereas it is equal in spermatogenesis.
• D) oogenesis ends at menopause, whereas spermatogenesis is finished before birth.
• E) spermatogenesis is not completed until after fertilization occurs, but oogenesis is completed by the time a girl is born.

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Definitions:

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