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William Bateson (1861-1926) and R. C. Punnett (1875-1967)
Bateson and Punnett, in England, performed experiments on the color of sweet
peas and also on the comb shape of chickens. They discovered unusual ratios in
these traits and attributed them to the action of two different genes. They also
made observations that led to the discovery of the linkage and crossing-over of
genes (1905). Bateson postulated the production and transmission of
discontinuous variations, and the results on the origin of species (1894).
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