Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character
The female parent is heterozygous
The female parent could not have had a normal daughter for this character
The trait under study could not be colour blindness
The male parent is homozygous dominant
As we have already discussed in determining the inheritance pattern of autosomal dominant disorder: -
There are no carriers of autosomal dominant disorders. It appears in both the sexes with an equal frequency. The disease does not skip a generation. When one parent is affected and the other one is unaffected, one-half of the offspring will be affected by the autosomal dominant disease. Also , unaffected parents do not pass the disorder.
Hence, the correct option is (a).