Explain how the genetic disease called Sickle Cell Anemia is more prevalent in African- Americans compared to other races because of the Malaria Disease.

Explanation:

This is because sickle cell disease is common in malaria dorminated area because their traits confers resistance to malaria. The red blood cells, which contain abnormal hemoglobin become sickle in shape after it has been affected by malaria parasite. Therefore, most American that have African ancestry are at high risk of

the disease because the African ancestry are carriers if this gene and are inherited by the Americans.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects