Scientists Use Mitochondrial DNA to Track the Migration of Humans

question 76

Multiple Choice

Scientists use mitochondrial DNA to track the migration of humans across the planet.After a group migrates away from their ancestral homeland,any mutations that occur are not mixed with those left in the ancestral population.Therefore,mitochondrial DNA samples taken from ____ would have the fewest unique mutations,representing the original and oldest DNA sequences.

• A)Asia
• B)Australia
• C)Europe
• D)Africa
• E)the Americas

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Definitions:

Attitudes

Psychological tendencies expressed by evaluating a particular entity with some degree of favor or disfavor.

Beliefs

Convictions or acceptances that something exists or is true, especially without proof, forming the basis of faiths or customs.

Likert Scales

A psychometric scale commonly used in questionnaires to measure attitudes, typically consisting of a series of statements that respondents may agree or disagree with.

Strongly Agree

An expression used to indicate complete alignment or concurrence with a statement or viewpoint.