Chap 21- Genetic Variation

Question 1

A ___ is a group of individuals belonging to the same species that live in a defined geographic area and actually or potentially ____

Answer 1

Population; interbreed

Question 2

The genetic information carried by members of a population is its _____

Answer 2

Gene pool

Question 3

Most populations contain a high degree of ___

Answer 3

Heterozygosity

Question 4

_____- The proportions of the different alleles for a particular gene, present within the gene pool

Answer 4

Allele frequency

Question 5

Differential reproduction in a population can, over time, lead to changes in the ____ and ____ frequencies in subsequent generations

Answer 5

Allele; genotype

Question 6

The relationship between relative proportions of alleles in the ___ ___and the ____ of different genotypes in a population was put into a simple mathematical model called the ____

Answer 6

Gene pool; frequencies; Hardy Weinberg law

Question 7

Hardy Weinberg law- Describes what happens to ___ and ___ frequencies in an “ideal” population and is infinitely large, and randomly mating, an that is not subject to mutation, migration, or selection

Answer 7

Alleles; genotype

Question 8

The Hardy-Weinberg law makes two predictions:

The frequency of the ___ in the gene pool does not change over time and contributes ____ to the next generation

Answer 8

Alleles; equally