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Genetics, Mr P Reynolds - Coggle Diagram
Genetics
Gene
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Types
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Deleterious Gene: A genetic alteration that increases an individual's susceptibility or predisposition to a certain disease or disorder.
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Traits Sought
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Selective Breeding: Human breed plants and animals with desirable traits and concentrate those traits in the offspring
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Crossbreeding
Hybrid vigour (heterosis) is the increased productivity displayed by offspring from genetically different parents.
Performance and Progeny
Performance-testing evaluates the bull’s performance by comparing its weight gain and FCR with other bulls kept under similar conditions.
Progeny-testing evaluates the performance of the bull’s offspring compared to other bull’s offspring kept under similar conditions.
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Dominance
Incomplete dominance :
when two alleles are equally dominant or Recessive. phenotype is a blend of the two.
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Genotyping
Technique used to identify differences in (genotype) an animal’s DNA sequence and comparing it sequence of other animals.
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Genetic modification (GM) : DNA has been changed for the purpose of improvement or to correct a defect in the organism.
Genetic Engineering: Artificially copying a piece of DNA from one organism and joining it to the DNA of another organism
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