Genetics vocabulary

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Inheritance

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the passage of genetic material from parents to offspring.

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Dominant trait

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Trait that covers other traits; represented by a capital letter.

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Probability

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the likelihood of an occurrence.

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Genotype

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Genetic makeup of an animal or plant.

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Heterozygous

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having two alleles that are different.

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Recessive trait

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Trait that is covered by a dominant trait; represented by a lowercase letter.

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Phenotype

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The observable characteristics of an organism, resulting from the interaction of its genotype with the environment.

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Allele

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One of two or more forms of a gene that arise by mutation and are found at the same place on a chromosome.

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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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Punnett Square

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