Chapter 13.1 review PP

Question 1

prevention of gene flow between species

Answer 1

Reproductive isolation

Question 2

How many forms of reproductive barriers are there?

Answer 2

2

Question 3

What are the two forms of reproductive barriers?

Answer 3

Pre-fertilization and Post-fertilization

Question 4

prevents fertilization from occurring

Answer 4

Pre fertilization

Question 5

fertilization occurs, but hybrid cannot reproduce

Answer 5

post fertilization

Question 6

movement to new location far from the main population

Answer 6

migration

Question 7

oceanic island populations are isolated from mainland species.

Answer 7

migration

Question 8

small migrant populations lead to rapid changes in the what?

Answer 8

gene pool (genetic drift)

Question 9

evolution of several, diversified new species form one founding species

Answer 9

adaptive radiation

Question 10

what may result from migration or intrusions of geologic barriers

Answer 10

adaptive radiation

Question 11

isolated form each other by distance or a geographic barrier

Answer 11

Allopatric populations

Question 12

live near each other in the same geographic region

Answer 12

Sympatric populations

Question 13

process of chromosome duplication

Answer 13

Polyploidy

Question 14

allows infertile plant hybrids to become fertile

Answer 14

Polyploidy

Question 15

cells now contain two copies of each chromosome from each parent species.

Answer 15

Polyploidy

Question 16

animals can’t fo polyploidy

Answer 16

true

Question 17

polyploid organism is genetically isolated from both parents

Answer 17

Instantaneous speciation

Question 18

Polyploid hybrid from kale and turnip

Answer 18

Canola

Question 19

chromosomes font separate in Meiosis 1

Answer 19

True