In Your Textbook,what Is the Lower Frequency of Sickle-Cell Anemia

question 43

Multiple Choice

In your textbook,what is the lower frequency of sickle-cell anemia among present day Americans of West African ancestry,as compared to people living in West Africa,attributed to?

• A)genetic drift
• B)gene flow
• C)new mutations
• D)Tay-Sachs disease

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Definitions:

Attitude

A psychological tendency expressed by evaluating a particular entity with some degree of favor or disfavor.

Unfavourable Attitudes

Negative perceptions or feelings towards a person, group, or concept, which can influence behavior and judgement.

Derogatory Comments

Negative or critical remarks about someone, often insulting or demeaning in nature.

Prejudice

A preconceived opinion that is not based on reason or actual experience; often directed against people or ideas.