Introduction to Genetics Vocabulary

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Dominant

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The trait that always shows up when present.

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Phenotype

Back

The physical appearance of an organism.

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Alleles

Back

Different forms of a trait.

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Gene

Back

A sequence of DNA that codes for a trait.

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HH

Back

This is a homozygous dominant genotype.

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Recessive

Back

The trait that only shows up when the dominant trait is not present.

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Genotype

Back

The genetic makeup of an organism.

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Heterozygous

Back

An organism with two different alleles for a trait.

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Homozygous

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An organism with two identical alleles for a trait.

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Trait

Back

A characteristic that is inherited.