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8090 [49]
3 years ago
5

In African areas that are prone to malaria having normal blood leaves you prone to contracting malaria and death. Having sickle

cell anemia makes your blood unable to effectively transport oxygen and typically leads to early death. However, being heterozygous for normal blood and sickle cell anemia leads to the blood being able to effectively transport oxygen and resistance to malaria, allowing for a longer life expectancy.
Is this Directional, Stabilizing, or Disruptive selection
Biology
1 answer:
aev [14]3 years ago
7 0

Its stabilising. Since the selection pressure is against the extremes which are the normal blood and the sickle cell anaemia.

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