Why are heterozygous individuals ( ) for sickle cell disease...

Question

Why are heterozygous individuals ( ) for sickle cell disease more likely to survive in malaria-endemic regions compared to or individuals?

A

They produce only normal hemoglobin, which malaria parasites cannot utilize.

B

They produce only sickled hemoglobin, which kills malaria parasites.

C

They produce both normal and sickled hemoglobin, creating an environment less favorable for malaria parasites.

D

Their immune system is more resistant to malaria.