ZoologyIn our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans

In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans

  1. A

    Due to some defect like aspermia in man

  2. B

    Due to the genetic make up of the particular sperm which fertilizes the egg

  3. C

    Due to the genetic make up of the egg

  4. D

    Due to some defect in the women

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    Solution:

    In our society, women are blamed for producing female children. It is genetic makeup of the particular sperm which fertilizes the egg based on which sex is determined in humans. 

    All the haploid gametes (ova) produced by the female have the sex chromosome X whereas in the male gametes (sperms) the sex chromosome could be either X or Y, hence, 50 per cent of sperms carry the X chromosome while the other 50 per cent carry the Y. After fusion of the male and female gametes the zygote would carry either XX or XY depending on whether the sperm carrying X or Y fertilized the ovum. The zygote carrying XX would develop into a female baby and XY would form a male.

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