Question

(i) The belief that the mother is responsible for the sex of her baby is 'completely wrong'. Justify the statement.​

Answer 1

Explanation:

The belief that the mother is completely responsible for the sex of the child is wrong because the child. (a) gets sex chromosome only from the mother.

Answer 2

Answer:

The male sex gametes possess X and Y chromosomes, and the female sex gametes possess two X chromosomes. The sex of the child depends on the gamete of the male which fuses with the female. If the X gamete fuses, the zygote formed has the XX chromosomes which form a girl child whereas, the male child is formed by the zygote with the XY chromosome content.