本题目来源于试卷: Interaction & Interdependence C.4 Chemical Signaling，类别为 IB生物学
[单选题]
Which of these is not a6*m0jm ah qqadg3q55ysv ;1rq j- d ajj h9qg2 dkcy12+h5u7nin effect of testosterone?
A. Development of testes
B. Development of embryonic gonads into testes
C. Sperm production
D. Development of secondary male characteristics
参考答案: B
本题详细解析:
B Choice B is correct because a protein called testis determining factor (TDF) stimulates the development of embryonic gonads as testes. Testosterone causes the development of the testes (Choice A), stimulates sperm production (Choice C) and stimulates the development of secondary male characteristics (Choice D).
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