Question

How many genotypes of sickle cell anaemia are possible in a population?

• A. One
• B. Two
• C. Three
• D. Four

Answer 1

Answer:

C. Three

Three types of genotypes of sickle cell anaemia are possible in a population. These are: i. HbA HbA: Normal individuals ii. HbA HbS: Normal individuals but act as a carrier in spreading the disease iii. HbS HbS: Diseased individuals and they die before attaining maturity