In what type of environment is being heterozygous in regards to the sickle-cell trait an advantage?
A) an environment that has malaria
B) an environment that is malaria-free
C) an environment that is exposed to a large amount of sunlight year-round
D) a polluted environment
E) an environment that is cold and rainy

Question

Quizplus · Accepted Answer

Individuals who are heterozygous for the sickle-cell trait have a resistance to malaria, making this trait advantageous in environments where malaria is prevalent.

In What Type of Environment Is Being Heterozygous in Regards