Red green colour blindness appears due to
Excessive drinking of alcohol
Inheritance through $X$ chromosome
Over activity of adrenal
Vitamin $A$ deficiency
Which of the following most appropriately describes haemophilia?
Which of the following is not correct option for Phenylketonuria ?
In which of the following colourblindness is inherited
Haemophilia, a $X$-linked recessive disease is caused due to deficiency of
A normalvisioned man whose father was colour blind, marries a woman whose father was also colourblind. They have their first child as a daughter. What are the chances that this child would be colour blind ?