If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness ?
$50 \%$
$75 \%$
$100 \%$
$25 \%$
Colour blindness is
Given is : $X$ is the chromosome with gene for haemophilia and $X$ is the chromosome with normal gene. Which of the following individuals will act as carrier for haemophilia
Select the incorrect statement with regard to haemophilia.
In a sickle cell anaemia glutamic acid is replaced by valine, which the following codes for glutamic acid ?