Question

the sex of child is determined by?

Answer 1

the sex of a child is determined by the chromosomes. most mammals including humans have XY chromosomes for sex determination. every female contains a single X chromosomes and every male contains either X or Y chromosome. after the fusion of their gemetes if the male produces Y chromosome then it will be a boy and if the male produces X chromosomes then it will be female.

X + X = female                                           X + Y = male

Answer 2

The sex of a child is said to be determined by Father because father has (XY) chromosome and mother has (XX)chromosome . when male gamete Sperm and female gamete ovary fuse with each other after sex an offring is born . genes plays an important role during reproduction .

XX = Girl

XY = Male

sex of a child is determined by Y chromosome.

there are 23 pairs of chromosome in humans and 1 of them is sex chromosome.

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