Quiz 5

Question 1

What percentage of your DNA is inherited from your biological mother?

Answer 1

50%

Question 2

What percentage of your DNA is inherited from your biological grandmother.

Answer 2

25%

Question 3

In nature, a population sometimes evolves due to chance alone. What is this called?

Answer 3

Genetic drift

Question 4

Natural selection is more effective when populations are

Answer 4

Large

Question 5

Genetic drift is more effective when populations are

Answer 5

Small

Question 6

Reduction in population size to low numbers can result in

Answer 6

Genetic bottleneck

Question 7

The evolution of herbicide resistance in pigweed is best viewed as

Answer 7

directional selection

Question 8

For most of human history, birth weight was controlled by constraints on the adult female pelvis. This is an example of

Answer 8

stabilizing selection

Question 9

Dark colored (oldfield) population of mouse evolves into a light colored population in dune habitats with light colored sandy soil, but both still occur in different habitats, this is best explained as

Answer 9

disruptive selection

Question 10

In chapter 6, your textbook discusses a type of animal that has been affected by “human driven evolution” this animal now reaches sexual maturity at a smaller body size than before. Which type of animal is it?

Answer 10

Atlantic cod