An athlete builds muscle in the gym. Their children will not inherit it because the trait is:
ADominant
BRecessive
CAcquired
DHeritable
Answer & Solution
Correct answer: C. Acquired
1. It came from training, not genes.
2. Acquired traits are not heritable.
3. A genetic basis for running fast could be passed on.
_Source: OpenStax Biology 2e, Chapter 19, The Evolution of Populations (CC BY 4.0)._
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