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Combined genetic information of all the members of a particular populations.
Number of times an allele occurs in a gene pool compared with the number of times other alleles occur.
Trait controlled by a single gene.
Trait controlled by two or more genes.
Form of natural selection in which the entire curve moves.
Form of natural selection in which the center of the curve remains in its current position.
Form of selection in which a single curve splits into two.
Random change in allele frequencies that occurs in small populations.
Change in the allele frequencies as a result of the migration of a small subgroup of a population.
Principle that allele frequencies in a population will ramain constant unless one or more factors cause the frequencies to change.
Situation in which allele frequecies remain constant.
Formation of new species.
Seperation of species or populations so that they cannot interbreed and produce fertile offspring.
Form of reproduction isolation in which two populations have different in courtship rituals or other types of behavior that prevent them from interbreeding.
Form of reproduction isolation in which two populations are seperated physically by geographic barriers such as rivers, mountains, or stretches of water.
Form of reproduction isolation in which two populations reproduce at different times.