Intro and Ev Forces

Question 1

Evolution

Answer 1

change in genetic composition of a population across generations

Question 2

Genetic composition

Answer 2

frequencies of the alleles it carries

Question 3

Alleles

Answer 3

different forms of a gene

Question 4

Genetic divergence

Answer 4

difference in genetic sequences over time

Question 5

Domestication

Answer 5

humans create an environment that manages the survival and reproduction of another species to make use of that species

Question 6

dog common ancestor

Answer 6

shared with wolves

Question 7

phenotypic variation in a population is caused by…

Answer 7

genetic variation

Question 8

example of genetic variation

Answer 8

change base in DNA sequence

Question 9

choosing short dogs to breed, you are selecting…

Answer 9

a certain trait

Question 10

selectively breeding small dogs on purpose will change

Answer 10

the genetic makeup in the population

Question 11

Would raising wolves in a warm place, in captivity with plenty of food turn them into dogs?

Answer 11

cubs born to these wolves will still genetically be wolves

Question 12

evolutionary forces

Answer 12

factors that cause allele frequencies to change

Question 13

four types of evolutionary forces

Answer 13

mutation, natural selection, genetic drift, gene flow

Question 14

mutation

Answer 14

change in genetic sequence

Question 15

only source of new genetic variation

Answer 15

mutation

Question 16

mutations occur

Answer 16

randomly and is unconnected to an organism’s needs

Question 17

recombination

Answer 17

during meiosis; shuffles existing genetic variation to create new combinations

Question 18

genetic variation is not always

Answer 18

visible

Question 19

adelie penguines

Answer 19

shows that genetic variation is not always visible

Question 20

adaptation

Answer 20

matches an organism to its environment

Question 21

process of adaptation

Answer 21

process by which useful characteristics evolve by natural selection

Question 22

an adaption

Answer 22

characteristic that make it more likely for an organism to survive and reproduce