Question

Sex are determined genetically from their parents?

Answer 1

Yes. Each person have 24 chromosomes out of which 2 are of sex chromosomes. A boy have X and Y chromosome and a girl have X chromosome. If the X chromosome of boy fuse with X chromosome of girl then the any will be a girl. If the Y chromosome of boy fuses with X chromosome of girl then the baby will be a boy.

hope it helps you.

Answer 2

Yes they are................