Question

Why is father's chromosome is responsible for the child's sex?

Answer 1

Explanation:

father has dy and mother has this when they fuse the y is responsible for child sex either xx female or dy male

Answer 2

HOL@ M@T€...!!!

Father of the child have two types of chromosomes X and Y, and mother always has X chromosomes only...

During fertilisation X chromosome is taken from mother while there are two conditions for Father's chromosomes:-

1) if father provides X chromosome then the child will be female.

2) if father provides Y chromosome then child will be male.

XX :- Female

XY :- Male

Hope it helps you...

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