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 ?

  • [AIPMT 2012]
  • A

    $1$

  • B

    Zero percent

  • C

    $0.25$

  • D

    $0.5$

Similar Questions

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

  • [AIPMT 1999]

Genes of colour blindness are carried in

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