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Hormones have the following features: ...

Hormones have the following features:
I. Adenophypophysis produces gonadotropins
II. Besides sex cells , hormones are also produced by testis and ovary
III. Testosterone is produced by Leydig cells
IV. Estrogen is produced by the ovary
Which of the above factors influence secondary sexual characters ?

A

III and IV

B

II, III and IV

C

II and IV

D

All

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The correct Answer is:
D
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