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In summary, the chapter's model states that variation in a trait like height ultimately traces back to variation in

Question
In summary, the chapter's model states that variation in a trait like height ultimately traces back to variation in
the weather conditions during growth only
the DNA sequence of the relevant gene, affecting enzyme and hormone function
the amount of water given to the plant, with no genetic basis
the pot size the plant is grown in
Answer
the DNA sequence of the relevant gene, affecting enzyme and hormone function
Detailed Explanation
The chapter traces height variation back to DNA sequence differences in the relevant gene, which affect enzyme efficiency and hormone levels.
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