Haemolytic jaundice is due to dominant gene but only `20%` of the people develop this disease. A heterozygous man marries a homozygous normal wiman. What proportion of the children in population would be expected th have this disorder :-

Haemolytic jaundice is due to dominant gene but only 20% of the people develop this disease. A heterozygous man marries a homozygous normal woman. What proportion of the children in population would be expected to have this disorder :-

A Y-linked gene is responsible for hypertrichosis (long pair hair on ears). When an affected man marries a normal woman, what percentage of their daughters would be expected to have hairy ears ?

A holandric gene is known for hypertrichosis (long hair on ears) When a man with hairy ears marries a normal women, what percentage of their daughters would be expected to have hairy ears?

A colour blind man marries a normal women whose father was colour blind. What percentage of children is expected to be colour blind ?

In raccoons, a dark face mask in dominant over a bleached face mask. Several crosses were made between raccoons that were heterozygous for dark face mask and that were homozygous for bleached face mask. What percentage of the offspring would be expected to have a dark face mask?

Red - green colour blindness in human beings is goverend by a sex - linked recessive gene. A normal woman whose father was colourblind marries a colourblind man . What proportion of their sons is expected to be colourblind ?

In tomato plants,the gene for purple stem(P) Is dominant for green stem (p)and the gene for red fruit ( R) is dominant to its allele for yellow fruit (r ).If two tomato plants heterozygous for both the traits are crossed ,state what proportion of the offspring are expected to have : (a)purple stems and yellow fruits. (b)Green stems and red fruits (c )Purple stems and red fruits.