Question

why male gamate is solonely responsible for determining the sex of the baby

Answer 1

This is because a female has only one kind of gametes i.e. x but male has two kinds of gametes i.e. x and y. so of x will participate in fertilisation then there will be a girl and if y will then there will be a boy.

Answer 2

it is because males have two types of gametes - x and y

females have only one type of gamete - x

when fertilisation take place as :-

x + x = girl , here 1 gamete is of male and one of female

x + y = boy ,here x = female gamete & y = male gamete


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