Question

what is the basic of sex determination in a child​

Answer 1

Explanation:

In male chromosomes - xy

In female chromosome-xx

So when from the male if y is attached to female then he is a male child and if x is attached then she is a girl child

So sex determination is done by male not by female

This is a myth that sex determination is done by female and she has a power to opt a particular child

Answer 2

Answer:

Chromosomes

Explanation:

XX pair of  chromosomes refers to a girl

XY pair of  chromosomes refers to a boy