Set 5: Command of Evidence (Intermediate)

Explanation

Answer: D

PASSAGE

Mitochondria have their own DNA, separate from nuclear DNA. They are inherited exclusively from the mother. Scientists use mitochondrial DNA to trace maternal lineages.

Why is mitochondrial DNA useful for ancestry?

A. It mutates rapidly.

B. It traces a clear maternal line without paternal mixing.

C. It's identical in all humans.

D. It shows paternal heritage.✓ Correct

Detailed Explanation

'Inherited exclusively from the mother' = clear maternal line.

Why others are wrong:

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Set 5: Command of Evidence (Intermediate)

Detailed Explanation