UNIT 3 FINAL & LAB Q'S

Question 1

What are the 4 key points of genetic drift?

Answer 1

• significant in small populations
• can cause allele frequencies to change at random
• loss of genetic variation within populations
• cause harmful alleles to become fixed

Question 2

What are the 5 conditions for H-W equilibrium?

Answer 2

1. no mutations
2. no natural selection
3. no gene flow
4. random mating
5. extremely large population

Question 3

________ don’t evolve ________ evolve

Answer 3

individuals, populations

Question 4

monophyletic group

Answer 4

ALL descendants & recent common ancestor

Question 5

paraphyletic group

Answer 5

SOME descendants & recent common ancestor

Question 6

bacteria & archaea are?

Answer 6

prokaryotic, unicellular and metabolically diverse

Question 7

eukarya (protists, plantae, fungi and animalia) are?

Answer 7

eukaryotic, multicellular and morphologically diverse

Question 8

summarize primary endosymbiosis

Answer 8

heterotrophic prokaryote = mitochondrion

photosynthetic prokaryote = plastid