The most striking example of point mutation is found in a disease called
Night blindness
Thalassemia
Down's syndrome
Sickle-cell anaemia
If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is
A normal woman whose father was colourblind marries a normal man. What kinds of children would be expected and in what proportion
If a haemophilic man marries a woman carrier (heterozygous) for haemophilia, what would be the possibility that their daughter would be haemophilic
How Genetic disorders arises ? Explain by giving suitable examples.
Haemophilia $A$ is due to the absence of