Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child ?
Two $X$ chromosomes
Only one $Y$ chromosome
Only one $X$ chromosome
One $X$ and one $Y$ chromosome
In man the mutation disease ‘Aniridia' $(Congenital\, absence \,of\, iris)$ occurs due to
The fruit shape in tomato is an example of
Sexual reproducation leads to
$A$ : Antlers in male deer are sex influenced traits.
$R$ : These are controlled by autosomal genes which are influenced by the sex of bearer
An abnormal human baby with $‘XXX’$ sex chromosomes was born due to