Question

In mammalian females, for each primary oocyte that enters meiosis I

1. a total of four ova (eggs) can be produced.

2. a total of three ova (eggs) can be produced.

3. a total two ova (eggs) can be produced.

4. a single ovum (egg) can be produced.

Answer 1

In mammalian females, for each primary occyte that enters meiosis-I

4) a single ovum(egg) can be produced.

Primary occyte is arrested in meiosis-I stage untill the female reaches puberty. During puberty, many primary oocytes mature during one cycle but only one is able to divide further in secondary oocyte and a polar body. Secondary oocyte will guy divide into one ovum and one polar body. The first polar body formed divides into 2 .

So by one primary occyte, a single ovum can be produced.

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