Biology, 22.11.2019 23:31 Autumnjackson3186
People who are heterozygous for sickle cell anemia have the “sickle cell trait.” this is a much milder form of the disease. looking at the image below, what can you infer about having the sickle cell trait and malaria?
a-having the sickle cell trait in regions where malaria is common carries a higher fitness.
b- it is better to have the sickle cell trait in areas where malaria is uncommon. c- the genotype for the sickle cell trait is manipulated by natural selection.
d- having the sickle cell trait in regions where malaria is not prevalent carries a higher fitness.
Answers: 3
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People who are heterozygous for sickle cell anemia have the “sickle cell trait.” this is a much mild...
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