change in the genetic makeup of a population form generation to generation
the study of how populations change genetically over time
theory of evolution that integrated ideas from many other fields
localized group of individuals that reproduce together
genes in a population at an one time
states that the frequecies of allels and genotypes in a population's gene pool rmain constant froom generation to generation
important souce of variation
a natural process resulting in the evolution of organisms best adapted to the environment
change in the gene pool of a population due to chance
Genetic drift resulting from the reduction of a population, typically by a natural disaster, such that the surviving population is no longer genetically representative of the original population.
change in allele frequencies as a result of the migration of a small subgroup of a population
movement of alleles into or out of a population due to the migration of individuals to or from the population
the existence of two or more forms of individuals within the same animal species
existence of two or more distinct morphs (discrete forms), each represented in a population in high enough frequencies to be readily noticeable
genetic variations among individuals that produce multiple forms of a given protein
a gradient in a phenotypic character along a geographical gradient such as latitude or altitude
a type of natural selection in which one extreme phenotype is favored over all others
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