Gene Pool - All the genes, including all the different alleles for each gene, that are present in a population at any one time, Allele frequency - Number of times that an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene, Gene flow - Movement of alleles into or out of a population due to the migration of individuals to or from the population, Immigration - Movement of individuals into a population, Emigration - movement of individuals out of a population, Genetic drift - A change in the gene pool of a population due to chance, Bottleneck effect - A change in allele frequency following a dramatic reduction in the size of a population, Founders Effect - a few individuals leave a population and create an new population in another area, Mutation - permanent change in DNA, Gene - section of DNA that codes for a trait, Species - a group of similar individuals that can breed and produce fertile offspring, Population - A group of individuals that belong to the same species and live in the same area,

Speciation NCEA Level 3

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