Ques. Sickle cell anaemia has not been eliminated from the African population because
A. it is controlled by dominant genes
B. it is controlled by recessive genes
C. it is not a fatal disease
D. it provides immunity against malaria.
Answer:D
Ques. Sickle cell anaemia has not been eliminated from the African population because
A. it is controlled by dominant genes B. it is controlled by recessive genes C. it is not a fatal disease D. it provides immunity against malaria.