Which Statement About Human Ethnic Groups Is Most Inaccurate

question 21

Multiple Choice

Which statement about human ethnic groups is most inaccurate?

• A)Most genetic variation occurs among different ethnic groups,not within them.
• B)A comparative study of mitochondrial DNA shows that the differences among human populations are consistent with their having a common ancestor no more than a million years ago.
• C)The variation among modern human populations is considerably less than among archaic human populations 250,000 years ago.
• D)Among social scientists some suggest that ethnicity is a purely cultural phenomenon based on shared customs;others prefer the explanation that ethnic groups have arisen due to a sense of kinship based on a group's biological heritage.
• E)Biologists suggest that because modern human populations were once isolated from one another in different environments,phenotypic and genotypic variations are now noticeable;therefore people have different ethnicities.

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Definitions:

Ineffective Breathing Pattern

A respiratory condition where there is an inability to breathe in an optimal or healthy manner, which can lead to inadequate oxygenation or ventilation.

Adventitious Breath Sounds

Abnormal sounds heard during lung auscultation that indicate disruptions in the air flow, often signaling respiratory problems.

Compromised Blood Flow

A condition where the circulation of blood through the body's vascular system is impeded, potentially leading to various health issues.

Edema

A medical condition characterized by an excess of watery fluid collecting in the cavities or tissues of the body, leading to swelling.