Question

The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follows.

Mention the sexchromosomes in a male and female embryo.

Answer 1

$\bullet$ Sex of a child is determined by the kind of male gamete that fertilises the female gamete.
$\bullet$ If the male gamete carrying X chromosome fertilises the female gamete, the sex of the child will be female.
$\bullet$ However, if male gamete carrying Y chromosome fertilises the female gamete, the sex of the child will be male.
Sex chromosome in male – XY
Sex chromosome in female - XX