Genetics Vocab

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Gene

Back

2 alleles put together create this.

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Allele

Back

You get 1 from mom & 1 from dad. When put together they create a gene.

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Genotype

Back

Gene make-up of an organism

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Phenotype

Back

The physical appearance of a trait.

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Dominant Allele

Back

Form of a gene that shows up as the trait when present. The trait that overshadows & is expressed.

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Recessive Allele

Back

Form of a gene that shows up only when a dominant allele is not present. The trait that hides in the background. Ex: tt, t= short

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Homozygous (Purebred)

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A gene with two identical alleles.

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Heterozygous (Hybrid)

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A gene with two different alleles.

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Trait

Back

The different forms of a characteristic (dimples, cleft chin)

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Heredity

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The passing of physical characteristics from parents to offspring.