Genetics vocabulary

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Punnett square

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A diagram that shows the possible offspring of two parents.

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Inherited characteristic or feature

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Trait.

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Genotype

Back

The genetic makeup of an organism.

Front

Distinguishing characteristic or quality, a feature that is inherited such as flower color, hair color, and height.

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Trait.

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Phenotype

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The physical appearance of an organism.

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Heredity

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The passage of genetic information from a parent or parents to offspring.

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Chromosomes

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Structures within cells that contain DNA and carry genetic information.

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Hybrid

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An organism that has two different alleles for a trait.

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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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Dominant allele

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An allele that expresses its phenotype even in the presence of a recessive allele.