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Q.
Which of the following hormones is necessary for the development of secondary sexual characters in human beings ?
Chemical Coordination and Integration
Solution:
Estrogen, secreted by ovaries in females, stimulates
the development of secondary sexual characters during puberty and maintains them through the reproductive years of adult life in females. Testosterone is produced by testes in males. It stimulates the development of male secondary sexual characters like beard, moustache, etc.