MBG 4020 Study Guide - Final Guide: Heterosis, Herding, Animal Identification
5 Dec 2017
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Base population: breeds can be regional in nature, labrador retrivers, scottish highlands, thus this suggests that, small population in a geographical boundary, breeds are similar and closely related. Increased maternal investment generation interval and less gestation) Hardy-weinberg equilibrium and implications: allele and genotypic frequencies will remain the same if we have, large random mating population, without, selection, mutation and migration, what is the least important hwe assumption, mutation this happens slowly. If it does happen you just don"t keep the animal. Calculations of ne and df: assume same sex ratio is kept, always will be 4:1 females to males (unlikely, discrete generations, randommating. If ne is: >12 to avoid deleterious mutations, >50 avoid inbreeding depression, >500 sufficient genetic variability. More assumptions: constant population size across all generations, constant proportion of males to females, closed population, random mating, equal progeny from each parent, discrete generation.
