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Question
Which of the following male and female structures are least alike in function?
Options
Seminiferous tubule - vagina
Testes - ovaries
Spermatogonia - oogonia
Vas deferens - oviduct
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Solution
Seminiferous tubule - vagina
Explanation:
Seminiferous tubules are male structures inside the testes where sperm production occurs, while the vagina is a female reproductive tract organ primarily involved in copulation and childbirth. Their functions are very different compared to the other pairs: testes and ovaries both produce gametes, spermatogonia and oogonia are precursor germ cells in males and females respectively, and vas deferens and oviduct are both tubes for gamete transport in males and females respectively. Hence, seminiferous tubules and vagina are least alike in function.
