12.1

Question 1

What are differences and similarities between Natural selection and Genetic drift

Answer 1

Similarities
They both have change in the gene pool

Differences
Natural selection is not random while genetic drift is a completely random process.

Question 2

What are three facts about mutations.

Answer 2

1. Random but constant part of DNA replication
2. Many are neutral.
3. Different populations accumulate different mutation over time

Question 3

In the bean bunny population as the bunnies with the ff alleles died the frequency of F ____, Ff _____, and FF ______.

Answer 3

F: increased
Ff: decreased
FF: increased

Question 4

What is three facts about Genetic drift

Answer 4

1. Genetic drift effects all populations but effects smaller populations more.
2. Genetic drift proceeds randomly in any given population.
3. Genetic drift randomly leads to either the fixation or loss of any given alllele

Question 5

What is the definition of Adaptation

Answer 5

A genetic variation that increases fitness

Question 6

What are some selective pressures.

Answer 6

Prediation, Physiological, and sexual selection.