PCB 4674 Chapter Notes - Chapter 7: Allele, Genotype, Gene Flow
15 Sep 2016
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Ordinarily refers to the movement of individuals between populations within the same general area or movement of populations between places (can be planned, unplanned, whatever) In an evolutionary context: the movement of alleles between populations i. e. movement of variation between populations. Gene flow dispersal of juveniles amongst different populations transport of pollen, seeds, etc. re-location of adults due to environmental stressors. Large differences in migration among species: gene flow and evolution. One gene, two alleles a and b. Aa = 0. 64 (512), ab = 0. 32 (256), bb = 0. 04 (32) Aa = 0. 36 (288), ab = 0. 48 (384), bb = 0. 16 (128: migrate 200 individuals from pop 2 into pop 1. 200 individuals at (f)a = 0. 6 and (f)b = 0. 4. Aa = 0. 36 (72), ab = 0. 48 (96), bb = 0. 16 (32)\ this migration is random: new population 1000 individuals as follows:
