A tool developed by British geneticist, Reginald Punnett, used by biologists to predict the probability of possible genotypes of offspring.
Merriam-Webster Online Dictionary
Punnett square (noun)an × square used in genetics to calculate the frequencies of the different genotypes and phenotypes among the offspring of a cross - n n
Genetic Grid, Inheritance Chart, Mendelian Checkerboard, Genetic Predictor, Heredity Diagram
