Mating_Systems_For_Simply_Inherited_Traits_Week_5

Mating_Systems_For_Simply_Inherited_Traits_Week_5 - Mating...

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Mating Systems For Simply Inherited Traits Week 5 Lecture Notes Animal Breeding Fall 2009
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Mating Systems Mating system A set of rules or requirements for mating Typically trying to take advantage of desirable traits of multiple populations Crossbreeding Backcrossing Line breeding Inbreeding Breed Complimentarity
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Information Required Number of Loci Number of genes affecting the trait of interest Number of alleles at each loci How many genes are expressed Ex. Dominance, Codominance etc Parentage Genotypes
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Information Required Horns One loci Complete Dominance Coat Color in labs Epistasis involving two loci Coat Color in horses Two base genes Dilution by five other genes
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Test Cross A dominant phenotype by recessive phenotype cross Determine whether the dominant individual is homozygous or heterozygous
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Test Cross Br rr rr
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Repeated Backcrossing A mating system used to incorporate an allele or alleles existing in one population
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Mating_Systems_For_Simply_Inherited_Traits_Week_5 - Mating...

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