Spermatogenesis
A. results in four spermatozoa for every primary spermatocyte.
B. begins with the mitotic division of spermatogonia.
C. is not complete until after an egg is fertilized, which initiates the second meiotic division.
D. results in four primary spermatocytes for every spermatogonium.
E. takes place completely within the lumen of the seminiferous tubule.
Answer: A
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