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Dictionary » L » Law of Recessiveness

Law of Recessiveness

Definition

noun

A Mendelian law which holds that a recessive trait is expressed only when the paired allele the offspring acquired from its parents is identical.


Supplement

In cases of complete dominance, the dominant allele would be expressed in the phenotype of an individual while the recessive allele would be masked. The recessive trait would only be expressed in the absence of dominant allele or the inheritance of the recessive alleles (for that trait). For instance, the offspring of a homozygous recessive genotype for a particular trait would manifest the recessive trait.

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