Ohio EOC Biology Vocabulary Words

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Cell Division

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The process in reproduction and growth by which a cell divides to form daughter cells.

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Evolution

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Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.

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Genetic Drift

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A change in the gene pool of a population due to chance.

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Mutation

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A change in a DNA sequence that affects genetic information.

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Codominance

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A condition in which both alleles for a gene are fully expressed.

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Eukaryote

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An organism whose cells contain a nucleus and other organelles enclosed within membranes.

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Prokaryote

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A unicellular organism that lacks a nucleus and membrane-bound organelles.

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Heredity

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The passing on of physical or mental characteristics genetically from one generation to another.

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Allele

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One of two or more versions of a gene that are found at the same place on a chromosome.

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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.