Q3 of 35 Page 157

The sex of a child is determined by a particular factor. What is it?

The sex of the child is determined by thread-like structures which carry genetic material known as chromosomes. These are present inside nucleus.


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1

Mention a secondary sex character that distinguishes a boy and a girl.

 2

Hormones maintain puberty. Give reason.

 4

Is it correct to say that reproductive life of woman ends at menopause?

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Name the master gland of body.