Genetics Vocabulary Flashcard

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Heterozygous/Hybrid

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An organism that has two different alleles for a trait (e.g., Ee).

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Heredity

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The passing of traits from parent to offspring.

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Offspring

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A parent's child or children.

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Dominant

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A trait that controls the phenotype and only requires one gene for the trait to show up in an organism.

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Recessive

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A trait that requires two copies of the gene to be expressed in the phenotype.

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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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Different forms of a gene that can exist at a specific locus.

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Phenotype

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The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

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Genotype

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The genetic constitution of an individual organism.

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Punnett Square

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A diagram used to predict the outcome of a particular cross or breeding experiment.