Write short note Haemophilia .
How Genetic disorders arises ? Explain by giving suitable examples.
In Huntington’s disease, the unaffected persons are homozygous for normal allele $h$. The following is erroneous because
Haemolytic jaundice is caused due to a dominant gene but only $10\%$ of the people actually develop the disease. A heterozygous man marries a homozygous normal woman; what proportion of the children would be expected to develop the haemolytic disease
A normal woman whose father was colourblind marries a normal man. What kinds of children would be expected and in what proportion
Colour blindness is found more in males than in females because