Variation in Inheritable Characteristics (Leaving Cert Agricultural Science): Flashcards

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Variation in Inheritable Characteristics
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Genetic variation definition

Differences in traits between individuals passed from parents through genes

Dominant alleles in populations

Appear more frequently than recessive alleles

Recessive alleles in populations

Appear less frequently in populations

Genotype

Your complete genetic makeup - all the genes you carry

Phenotype

The characteristics you can observe

Characteristics to select in practical

Five genetically inherited characteristics

% suggesting dominant trait

More than 50% of sample

Trait percentage formula

Number with traitTotal×100\frac{\text{Number with trait}}{\text{Total}} \times 100

Observable traits in comprehensive list

15 observable human traits

Genetic variation use in agriculture

Develop disease resistance and improved yield

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