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Multiple Choice
Which statement is true of spermatogenesis but not of oogenesis?
A
It produces polar bodies.
B
It results in four viable sperm cells.
C
It occurs in the ovaries.
D
It involves the formation of a single gamete.
Verified step by step guidance
1
Understand the processes of spermatogenesis and oogenesis. Spermatogenesis is the process of sperm cell development, while oogenesis is the process of egg cell development.
Identify the key differences between spermatogenesis and oogenesis. Spermatogenesis results in the production of four viable sperm cells from each precursor cell, whereas oogenesis typically results in one viable egg and polar bodies.
Recognize that polar bodies are byproducts of oogenesis, not spermatogenesis. This is because oogenesis involves unequal cytokinesis, leading to one large egg and smaller polar bodies.
Note that spermatogenesis occurs in the testes, while oogenesis occurs in the ovaries. This is a fundamental difference in the location of these processes.
Conclude that the statement 'It results in four viable sperm cells' is true for spermatogenesis but not for oogenesis, as oogenesis results in one viable egg and polar bodies.