Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino
$100\%$
$25\%$
$50\%$
$75\%$
Wilson detected the colour blindness disease in
Gynandromorphs develop in Drosophila when the two cells in the two-celled proembryo will have one of the following chromosomal sets
Excessive growth of hair on the pinna is a feature found only in males because
Mental retardation in man, associated with sex chromosomal abnormality is usually due to
Chiasma shows the sites of