Study the pedigree chart given below. What does it show?
Inheritance of a condition like phenylketonuria as an autosomal recessive trait.
The pedigree chart is wrong as this is not possible.
Inheritance of a recessive sexlinked disease like haemophilia.
Inheritance of a sexlinked inborn error of metabolism like phenylketonuria.
If a colour blind woman marries a normal visioned man, their sons will be
If a colour blind lady marries a normal man, their children will be
A colour blind man marries the daughter of a colour blind person. Then in their progeny
Haemophillic man marries a normal woman. Their offsprings will be
All sons of a couple are colourblind because