Question

Match the genotype with the phenotype with respect to sickle cell anaemia.

• A. Affected
• B. Normal
• C. Carrier

Answer 1

Sickle cell anaemia is controlled by a single pair of alleles, $H{b}^A$ and $H{b}^s$. $H{b}^A$$H{b}^A$ individual is normal. $H{b}^A$$H{b}^s$ appears normal but acts as carrier. $H{b}^s$$H{b}^s$ is the genotype with confers the disease conditions to a person.