. Contributions from the Laboratory of Plant Genetics. PARTIAL STERILITY IN CERTAIN PLANT HYBRIDS 341 tendency toward high fertility as in experiment 2; but none showed decided evidence of being less fertile than the plants of the Fi generation. Thus there was a high correlation between a physical type (the sickly dwarf), and sterility. Perhaps the phenomenon met here is due to a lethal factor simi-. Figure 13.—Giant F2 segregate N. rnstica humilis X N. paniculata. lar to those described by Morgan for Drosophila melanogoster; at least one may suppose it is not the same type of absolute sterili
. Contributions from the Laboratory of Plant Genetics. PARTIAL STERILITY IN CERTAIN PLANT HYBRIDS 341 tendency toward high fertility as in experiment 2; but none showed decided evidence of being less fertile than the plants of the Fi generation. Thus there was a high correlation between a physical type (the sickly dwarf), and sterility. Perhaps the phenomenon met here is due to a lethal factor simi-. Figure 13.—Giant F2 segregate N. rnstica humilis X N. paniculata. lar to those described by Morgan for Drosophila melanogoster; at least one may suppose it is not the same type of absolute sterility found to be ques- tionable in the F2 generation of experiment 2. This experiment was carried no further. Genetics 6 : Jl 1921. 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 Bussey Institution. Boston : [s. n. ]
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