Genes of colour blindness are carried in

Who is known as the father of human genetics?

In sickle-cell anaemia,which of the following amino acids is substituted?

$A$ woman will be colourblind only if . . . . . . .

The affected male in the pedigree chart is symbolised by

Albinism is caused by an autosomal recessive disorder. $A$ couple has their first child who is an albino (having abnormal skin pigmentation). What is the probability that their second child will also be an albino (in $\%$)?