Ch 20

Question 1

Variation is inherited

Answer 1

Darwin

Question 2

Different alleles will produce different version of enzyme when sorting using gel electrophoresis

Answer 2

Enzyme polymorphism

Question 3

Actual gene is sequenced directly

Answer 3

DNA sequence polymorphism

Question 4

Hardy Weinberg

Answer 4

Large population
Random mating
No mutation
No gene flow
No natural selection

Question 5

Changes in the genetic sequence of a gene

Answer 5

Mutation

Question 6

Exchange of genes between populations, organisms moving in or leaving

Answer 6

Gene flow

Question 7

Inbreeding

Answer 7

Non random mating

Question 8

Random changes in a small population, founder effect & bottleneck

Answer 8

Genetic drift

Question 9

Changes in allele frequencies because not all individuals survive and reproduce

Answer 9

Selection

Question 10

More common form is selected against

Answer 10

Frequency dependent selection

Question 11

Changing conditions select for different times, wet/dry climate

Answer 11

Oscillating selection

Question 12

Heterozygous individual has higher survival rate, sickle cell

Answer 12

Heterozygous advantage

Question 13

This occurs when individuals at both extremes are favored over mean individuals

Answer 13

Disruptive selection

Question 14

Acquired traits

Answer 14

Lamarck