05.03A Primate Evolution (Honors)

Question 1

neutral mutations

Answer 1

mutations have no effect on phenotype

Question 2

molecular clocks

Answer 2

molecular change period

Question 3

Radioactive elements

Answer 3

break down at a predictable rate and are unaffected by temperature or other outside factors. These predictable rates are useful for scientist to determine the age of fossils and artifacts discovered in rock layers, including those from millions or billions of years ago.

Question 4

neutral mutations

Answer 4

don’t affect the phenotype of the species, only the genotype

Question 5

negative and positive mutations

Answer 5

affect phenotypes