Sickle -cell anaemia has not been eliminated from the African population because it
Is controlled by recessive genes
Is not a fatal disease
Provides immunity against malaria
Is controlled by dominant genes
Study the pedigree chart given below.
$[Image]$
What does it show?
What are all the chances of colour blind daughter and sons being born in a marriage of normal man marrying a normal woman, whose father was colour blind
Write short note Haemophilia .
One way of detecting sex linked inheritance is
A husband and wife have normal vision but fathers of both of them were colour blind. Probability of their first daughter to be colour blind is