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(Entry 1 of 2)
of a gene
: producing a phenotypic effect : exhibiting penetrance
Definition of penetrant (Entry 2 of 2)
: one that penetrates or is capable of penetrating
1543, in the meaning defined at sense 1
circa 1734, in the meaning defined above
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Resources for penetrant
penetrate someone's disguise
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an open space surrounded by woods
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