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Set 1: Text Structure (Advanced)

Explanation

Answer: A

PASSAGE

The dichotomy between nature and nurture is increasingly viewed as a false equivalent. Epigenetics reveals that environmental factors can alter gene expression, effectively bridging the gap. Thus, biology is not destiny, but rather a script subject to improvisation.

Which choice best describes the function of the final sentence?

A. It synthesizes the two opposing concepts mentioned earlier into a unified metaphor.✓ Correct
B. It refutes the findings of epigenetics.
C. It defines the term 'gene expression' for the layperson.
D. It lists the specific environmental factors involved.

Detailed Explanation

Concepts: Biology (Nature) and Environment (Improvisation). Synthesis: Script subject to improvisation.

Key Evidence:

• "biology is not destiny"

• "script subject to improvisation"

Why others are wrong: B (It relies on them.), C (No definition.), D (No list.).

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