Answer:
Sickle cell trait has been observed in regions where malaria is common for over 50 years and has since become renowned for its perplexing ability to protect its carrier from malaria.
Explanation:
Their failure will adversely affect our ability to control malaria.
A. Hereditary risk factors
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Answer:
Some factors that may influence teens are peer pressure, rebelling against their parents, and the environment they are in at home. If their parents are drug abusers, they are more likely to follow suit.
Explanation:
