Punnett square(redirected from Punnet square)
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a graphic depiction in grid form of how genes from each parent might combine in an offspring.
Punnett squarea table devised by the British geneticist R. Punnett, in which all possible combinations of gametes and progeny are displayed in a grid structure. For example in the cross:
Aa, Bb x aa, Bb
the Punnett square would be as in Fig. 262.
Punnett,Reginald Crundall, English geneticist, 1875-1967.
Punnett square - a grid used in genetics. Synonym(s): checkerboard