. The physical basis of heredity . Heredity. Dachs Black Purple Vestigial Curved Speck. In this case (as other experiments show) there are still two units missing in the map distance given above (), because of one per cent, of double crossovers in the region between curved and speck, that are not here recorded, since there are here no loci within this distance of Whenever cases in which double crossing over has taken place are checked up as in the foregoing cases, it is found that the discrepancies in the two methods are accounted for. It is instructive to compare the
. The physical basis of heredity . Heredity. Dachs Black Purple Vestigial Curved Speck. In this case (as other experiments show) there are still two units missing in the map distance given above (), because of one per cent, of double crossovers in the region between curved and speck, that are not here recorded, since there are here no loci within this distance of Whenever cases in which double crossing over has taken place are checked up as in the foregoing cases, it is found that the discrepancies in the two methods are accounted for. It is instructive to compare the preceding case with another one including several of the same genes, but in addition something else (deficiency), that cuts down the amount of crossing over in certain regions. The cross- over value between star and speck was found to be in this experiment. The sum of the crossover values of the six loci involved gave units. The difference. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Morgan, Thomas Hunt, 1866-1945. Philadelphia : Lippincott
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