A normal woman whose father was colourblind marries a normal man. What kinds of children would be expected and in what proportion
Daughters normal, $50\%$ of sons colourblind
Daughters normal, all sons colourblind
$50\%$ of daughters colourblind, all sons normal
All daughters colourblind, sons normal
Haemophilic female marries normal male, the theoretical ratio of their offsprings regarding haemophilia will be
A son of a colourblind father and normal homozygous mother marries to a daughter of normal father and heterozygous mother than their children will be
Pedigree analysis is very important in human beings because
The daughter born to haemophilic father and normal mother could be