Question

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upergene is confounded by incomplete penetrance and epistasis. he
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multiple choice

1. what does the relationship between shell color and the

a. natural selection eliminates all traits that do not p
b. natural selection favors traits that increase survi
c. natural selection favors traits that are most attra
d. natural selection leads to random changes in p

Explanation:

To solve this, we analyze the concept of natural selection. Natural selection is the process where traits that increase an organism's survival and reproductive success are favored (and thus become more common in a population), while traits that reduce survival/reproduction are selected against.

• Option A is incorrect because natural selection doesn't "eliminate all" non - favorable traits instantly or completely; it acts on traits' relative fitness.
• Option B aligns with the core idea of natural selection: it favors traits that enhance survival (and reproduction, which is often tied to survival).
• Option C is incorrect as natural selection is not about traits being "attractive" in a subjective sense but about fitness (survival and reproduction).
• Option D is incorrect because natural selection is not random; it is a non - random process that acts on heritable traits based on their fitness, while random changes are more associated with genetic drift.

Answer:

B. Natural selection favors traits that increase survival