topic 4: Mutations

Question 1

Remember, what is evolution

Answer 1

Descent with modification

-evolu (latin word) means unralling or unfolding

-it is also a change in alelle frequency of a population over time

Question 2

remember

Answer 2

natural selection and other things act on existing variation in population, variation doesnt occur during

-bipedalism evolution

Question 3

But if evolution is a change in alelle freuency over time… how does this change

Answer 3

Remember these mechanisms change allele frequency but these mechanisms that change allele frequency occur on existing variations:

1) Natural selection
2) Gene flow
3) Genetic drift
4) Non-random mating

these four things act on existing variations to change allele frquencies

Question 4

variation among individuals is

Answer 4

UBIQUITOS

(found among everyone and everything)