. The physical basis of heredity . 3aB 16a lAB Fig. 51.—Two schemes illustrating the idea of reduplication by Bateson andPunnett; the three figures to the left illustrating coupling, and the three to the rightrepulsion. 2. If reduplication occurred at an early stage in thegerm tract, we should expect to find in any organ of limitedsize, as a stamen, that there would be a likelihood that itwould contain for the most part a particular kind of tested out this view with pollen of the primroseand found no evidence in favor of a limited distribution—on the coutrary, he found that all
. The physical basis of heredity . 3aB 16a lAB Fig. 51.—Two schemes illustrating the idea of reduplication by Bateson andPunnett; the three figures to the left illustrating coupling, and the three to the rightrepulsion. 2. If reduplication occurred at an early stage in thegerm tract, we should expect to find in any organ of limitedsize, as a stamen, that there would be a likelihood that itwould contain for the most part a particular kind of tested out this view with pollen of the primroseand found no evidence in favor of a limited distribution—on the coutrary, he found that all the linkage combinations CROSSING OVER AND CHROMOSOMES 117 were present in each stamen in the expected and other difficulties make it improbable that link-age can be the result of this kind of reduplication. Bateson and Punnett fonnulated their hypothesis atfirst for only two pairs of linked factors. When it wasshown that three pairs of factors could show linkage,Bateson and Punnett assumed that all three pai
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectheredit, bookyear1919
