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Mating Systems

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Question
Answer
Basis for selection (3)   Pedigree, Individual performance/apperance, and progeny testing  
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Def: Seed stock producers?   "pure bred" with recorded pedigree  
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Def: Commercail Producers?   use cross bred animals - hybrid vigor  
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Def: Relationship?   knowing which genes two animals have in common. AND if they exist in homo or heterozygosity  
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Def: Inbreeding?   Mating related animals  
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Def: Intensive inbreeding?   Mating of closely related animals whose ancestors have been inbred of several generations.  
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inbreeding shows...   detrimental to reproductive performance and growth.  
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Def: Line breeding?   nild form of inbreeding  
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What is cross breeding used for?   Complementaition of breeds and Heterosis (hybrid vigor)  
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Def: Out crossing?   unrealted animals with in the same breed are mated.  
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Created by: maggiemae
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