Chapter 13 PP

Question 1

Primary classification group with most closely related members

Answer 1

species

Question 2

What concept describes a group of individuals that can interbreed and produce fertile offspring

Answer 2

the biological species concept

Question 3

sum total of the alleles found in all individuals of a species

Answer 3

gene pool

Question 4

changes in the frequency of an allele in a gene pool can only occur with a biological species

Answer 4

true

Question 5

the spread of an allele throughout a species’ gene pool

Answer 5

gene flow

Question 6

if organisms are evolving,

Answer 6

they are changing

Question 7

____ is how unique genes are created

Answer 7

mutation

Question 8

wha tis a change to the DNA sequence?

Answer 8

mutation

Question 9

prevention of gene flow between species Is called ______ _____.

Answer 9

reproductive isolation

Question 10

movement to new location far from the main population

Answer 10

migration

Question 11

evolution of several, diversified new species from one founding species is ______ _______.

Answer 11

adaptive radiation

Question 12

isolated from each other by distance or a geographic barrier

Answer 12

allopatric populations

Question 13

live near each other in the same geographic region

Answer 13

sympatric population

Question 14

process of chromosome duplication

Answer 14

polyploidy

Question 15

polyploid organism is genetically isolated form both parents

Answer 15

instantaneous speciation

Question 16

Human races are not independent evolutionary groups

Answer 16

true

Question 17

No single allele is found in all populations of a defined race and not found in other races

Answer 17

true

Question 18

SNP’s are never found in all populations of the same race and never within every individual in a population.

Answer 18

true

Question 19

change in allele frequency that occurs due to chance

Answer 19

genetic drift

Question 20

genetic differences resulting form a small sample

Answer 20

founder effect

Question 21

genetic change resulting from a dramatic reduction of population numbers

Answer 21

population bottleneck

Question 22

small populations are especially prone to loss of alleles through chance

Answer 22

chance events