Genetics Vocabulary

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The study of heredity.

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Genetics

Front

The Austrian monk who studied pea plants. His experiments helped him draw conclusions about how traits are inherited.

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Gregor Johann Mendel

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A characteristic that varies among individuals. Examples include seed colour and plant height.

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Trait

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A sequence of DNA that codes for a protein and determines a trait.

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Gene

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The passing of genetic information from parent to offspring.

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Heredity

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An organism's complete set of genetic instructions.

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Genome

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The genetic makeup of a trait. For example: Tt or TT (T = tall height)

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Genotype

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The physical characteristic of a trait. For example: A tall pea plant

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Phenotype

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The different forms of a gene. For example: yellow vs. green seeds

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Allele

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Having two of the same alleles for a trait. For example: TT or tt

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Homozygous