Heredity and Genetics

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Heredity

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The passing of traits from parents to offspring.

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Genetics

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The study of heredity and the variation of inherited characteristics.

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Allele

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A variant form of a gene.

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Purebred Alleles

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Alleles that are the same, resulting in a uniform trait.

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Hybrid Alleles

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Alleles that differ, resulting in a mixed trait.

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Heterozygous Alleles

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Having two different alleles for a particular gene.

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Homozygous Alleles

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Having two identical alleles for a particular gene.

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Trait

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A characteristic or feature of an organism.

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Dominant Trait

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A trait that is expressed when at least one dominant allele is present.

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Recessive Trait

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A trait that is expressed only when two recessive alleles are present.