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单词 Punnett square
释义
Punnett square

Biology
  • A representation of all possible genotypes produced in the F2 generation of a Mendelian genetic cross; it was devised by R. C. Punnett. All possible male gametes are listed horizontally against a grid and all possible female gametes are listed vertically against the grid. The various combinations of these gametes are then written into the grid. See illustration at dihybrid cross.


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