Question

Nisha's grandmother often blames her mother for giving birth to 3 daughters and no son and therefore wants another marriage of her son. 

Answer following questions on the basis of above information.

(i) Is it right to blame a female for determination of sex and giving birth to only girls ? Justify. 

(ii) What values are not exhibited by Nisha's grandmother.

Answer 1

(i) It is not correct to blame a females for giving birth to female child. The sex of the baby is determined by the male gamete, because the man is heterogametic and produces two types of sperms x and y. Female is homogametic and produce only one type of ova i.e X. Now if the X sperm with X chromosome fuses with egg the zygote XX will develop into female baby and if sperm with Y chromosome fuses with egg the (XY) baby would be male.

(ii) Values : 

Following values are not exhibited by Nisha's grandmother : 

(a) understanding and awareness 

(b) Respect to females