In man the mutation disease ‘Aniridia' $(Congenital\, absence \,of\, iris)$ occurs due to
Recessive mutation
Dominant mutation
Lethal mutation
All the above
It's Obvious
One of the following is sex-influenced character
Number of Barr bodies in $XXXXY$ is
An albino lady marries a normal man having one gene for albinism. They have $3$ daughters and $1$ son. The son will be
A cross involving two different genera is called
$XO$ type of sex determination can be found in:
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