Question

the mother is not responsible for the determining the sex of baby.Give reason.​

Answer 1

Answer:

Because Y chromosome is responsible for determining the sex of the baby , which is there only in males (XY)

If the X chromosome from father is inherited then it joins with mother's X chromosome to produce XX female baby.

If the Y chromosome from father is inherited then it joins with mother's X chromosome to produce XY male baby.

Hope it will help you.

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Answer 2

Answer:No, in human, mother is not responsible for determining the sex of baby

Explanation:

in Human, female is homozyogus ( it has same type of sex chromosome , XX) while Male is heterozygous (it has different type of sex chromosomes, XY).

so, when gamete formation occur, female gives same type of haploid sex chromosome that is X and X , while male gives different type of haploid sex chromosome that is X and Y.

if two gamete of X and X fused, it forms XX ( female child)

if two gametes of X and Y fused, it forms XY ( male child)

so basically, neither mother nor father is to blame for girl child.

it just a probability of fusion of XY or XX chromosome

but defentitely, mother do not play any role in sex determination of a child