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.
 

If a character is always transmitted directly from a father to all his sons and from their sons to all their sons, then which chromosome carries the gene for the character

Sickle cell-anaemia disorder arises due to

A sex linked recessive gene $C$ produces red green colour blindness in humans. A normal woman whose father was colourblind marries a colourblind man. Of all the girls born to these parents what percentage is expected to be colourblind

A woman with two genes for haemophillia and one gene for colourblindness on one of the $X$ chromosomes marries a normal man. How will the progeny be