law of dominance

American

noun

Genetics. the principle, originated by Gregor Mendel, stating that when a pair of inherited traits has two possible expressions, one of those expressions will be dominant and the other recessive, and only the dominant one will be expressed: in modern genetics, this is understood to be only one of several possible patterns for gene expression.

law of dominance Scientific

See under Mendel's law

Example Sentences

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Since Mendel’s experiments with pea plants, other researchers have found that the law of dominance does not always hold true.

From Textbooks • Jun. 9, 2022

Mendel’s law of dominance states that in a heterozygote, one trait will conceal the presence of another trait for the same characteristic.

From Textbooks • Apr. 25, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023