Abstract
BRIDGES, Anderson, Mather, Gershenson and many others have shown that there is a definite relation between crossing-over and the disjunction of chromosomes. Their work has made it evident that, during meiosis, crossover chromosomes are distributed between the daughter nuclei more regularly than non-crossover ones. However, the exact nature of this relation is still by no means clear. Darlington thinks that crossing-over is, in general, a necessary condition of regular chromosome disjunction. On the other hand, a number of general considerations as well as some recent facts obtained by Gershenson, Beadle and Sturtevant and Stone and Thomas, are opposed to such an interpretation in the case of Drosophila.
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GERSHENSON, S. Crossing-Over and Chromosome Disjunction. Nature 136, 834–835 (1935). https://doi.org/10.1038/136834a0
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DOI: https://doi.org/10.1038/136834a0
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