Answer:
The mutation, which affects a protein called CCR5 on the surface of white blood cells, prevents HIV from entering these cells and damaging the immune system. Around 10% of today's Europeans carry the mutation, a significantly higher proportion than in other populations.
Explanation:
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Skin prevents the body from getting infections
The correct answer would be Louis Wirth
<span>TRADE OFF occurs during the design process when one benefit is given up in order to obtain another.</span>
