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Set 1: Cross-Text Connections

Explanation

Answer: A

PASSAGE

Text 1 Epigenetics is the study of how behaviors and environment can cause changes that affect the way your genes work. Unlike genetic changes, epigenetic changes are reversible and do not change your DNA sequence. Text 2 Lamarckism, a discredited theory, proposed that organisms can pass on traits acquired during their lifetime to offspring. Interestingly, some epigenetic markers can be heritable, suggesting that Lamarck was not entirely wrong, though the mechanism is different.

How does the modern discovery in Text 1 relate to the historical theory in Text 2?

A. It provides a biological mechanism that partially validates a previously rejected concept of inheritance.✓ Correct
B. It proves Lamarck was 100% correct.
C. It disproves genetics completely.
D. It has no relation.

Detailed Explanation

Text 1: Epigenetics (Env affects gene work). Text 2: Lamarck (Acquired traits heritable). Epigenetics = Heritable acquired traits today. Relation: Partial validation.

Key Evidence:

• "markers can be heritable"

• "Lamarck was not entirely wrong"

Why others are wrong: B (Mechanism different.), C (Doesn't change DNA.), D (Explicit link.).

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