Which of the following disorders is not hereditary
Haemophilia
Cataract
Sickle-cell anaemia
Colour blindness
A normal woman whose father was albino marries a man who is albino. What proportion of normal and albino can be expected among their offsprings
Sickle cell anaemia has not been eliminated from the African population because
A pedigree chart below shows the inheritance of a particular sex-linked trait ("trait") Key: Unaffected Males Affected Males Unaffected Females Affected Females How is the trait being studied in the pedigree chart above?
Haemophilia is a
Mendel was the native of