Genetics vocab

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Trait

Back

A specific characteristic of an individual resulting from certain proteins (e.g., Eye color).

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Gene

Back

specific segment of DNA that codes for proteins

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Allele

Back

Different forms of a gene (e.g., brown, blue, hazel eyes).

Front

Genotype

Back

Genes or DNA coding for traits (e.g., BB, Bb, bb)

Front

Phenotype

Back

Observable traits of an organism (e.g., eye color, nose shape).

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Recessive: weaker trait; lowercase; expressed if both alleles are recessive.

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weaker form of trait; lowercase letter; only expressed if both alleles are recessive

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Dominant

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Stronger form of trait; capital letter; always expressed.

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Homozygous

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Both alleles are the same (e.g., AA, ee, FF, mm).

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Heterozygous

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one allele is dominant, one is recessive (EX: Hh, Ff, Mm)

Front

hh is homozygous recessive

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True