Lecture 8 - Selective Breeding Understand the goals and...

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Selective Breeding Understand the goals and process of selective breeding. Understand the difference between genetically and environmentally determined characteristics Understand what the “Certified Seed” program is and what criteria must be met for seed to be certified. Understand the limitations of selective breeding and the problems associated with this process. Understand some of the steps being taken to address the problems associated with selective breeding.
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Selective Breeding Oldest form of biotechnology 10,000 years ago: humans start cultivating crops Chinese select for superior strains of rice Ancient Babylonians - Stone tablet with horse pedigree - Controlled date palm breeding by selective pollination
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Steps in Selective Breeding 1.Identify desired characteristics (traits) 1.Determine whether or not the trait has a genetic basis (hopefully, dominant) 1.Choose the parents 1.Mate the parents
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Male Parent Long life Quick metabolism Female Parent Fast Growth High Yield Offspring
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Lecture 8 - Selective Breeding Understand the goals and...

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