Q19.     In our society the women are often blamed for giving birth to daughters. Can you explain why this is not  correct?

Answers (2)
S Sonika

The sex chromosome in human female is XX while in a male it is XY. Thus, female produces haploid gametes having all X chromosomes but male produces two types of gametes with either X or Y.  The sex of the child will be dependent on which sperm whether the one with X chromosomes or the one with Y chromosome fertilises the ovum with X chromosome.  Therefore, the sex of the baby is determined by the father's chromosomes not mother's 

 

M MRJKS

All human beings have 23 pairs of chromosomes.Human males have 22pairs of autosomes and contain one or two types of sex chromosome.They are either X or Y . On our contrary,human female have 22pairs of autosomes and contain only the X-chromosomes .The sex of an individual is determined by the type of male gamete (X & Y) , Which fuses with the X-chromosome of the female .If the fertilising sperm is X then the baby will be girl and if Y then the baby will be boy.

Hence , this is incorrect to blame a woman for the gender of the child .

-----a/c to ncert--------

 

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