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 ?
$1$
Zero percent
$0.25$
$0.5$
Which of the following is not $X$-linked recessive
One way of detecting sex linked inheritance is
Haemophillic man marries a normal woman. Their offsprings will be
A boy is colour blind, in his two sisters one is colour blind and one is carrier $(normal)$. Then who is colour blind in his family