PT116.S3.Q17 > Question

SECTION 1 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5

PASSAGE 2

Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13

PASSAGE 3

Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21

PASSAGE 4

Question 22 Question 23 Question 24 Question 25 Question 26 Question 27 Question 28

SECTION 2 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25

SECTION 3 · lr

SECTION 4 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7

PASSAGE 2

Question 8 Question 9 Question 10 Question 11 Question 12 Question 13

PASSAGE 3

Question 14 Question 15 Question 16 Question 17 Question 18 Question 19

PASSAGE 4

Question 20 Question 21 Question 22 Question 23 Question 24 Question 25 Question 26 Question 27

If one effect of a genetic mutation contributes substantially to survival of a species, that mutation will be favored in natural selection. In addition, if a mutation is favored in natural selection, that means at least one effect of that mutation contributes substantially to survival of a species.

The rules above are subject to one exception — when the effect of traits that are carried along with the genetic mutation are so negative that they cancel out the benefits of a mutation, the mutation won’t be favored.

There’s no clear inference to draw. We just need to understand the complicated rules in the stimulus accurately.

Could be true. A species can have a trait with only neutral effects. This just implies the trait won’t be favored by natural selection.

Could be true. There could be some mutations that only do very helpful things for survival. These mutations will be favored.

Could be true. A species can have a trait that reduces survival potential. This trait won’t be favored.

Could be true. A genetic mutation can carry several negative traits. And that mutation can still be favored as long as the negative traits aren’t so negative as to outweigh the benefits of the mutation.

Must be false. If the effects are all neutral, then the mutation won’t be favored. One requirement to be favored is that one effect contributes substantially to survival.

PrepTest 116 - Section 3 - Question 17

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