Abstract
FROM an analysis of crossing-over in Drosophila melanogaster, I was led to certain conclusions concerning the distribution of the chiasmata, or points of exchange, along the cytological chromosomes1. In particular I noted that the centromere, or spindle attachment, showed certain peculiar relations to the regional frequency of crossing-over, and I advanced the hypothesis of a time sequence in the occurrence of chiasmata (moving away from the centromere) to account for these observations.
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References
Mather, K., J. Genet., 33, 207–35 (1936).
Charles, D. R., J. Genet., 36, 103–26 (1938).
Sturtevant, A. H., and Beadle, G. W., Genetics, 21, 554–604 (1936).
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MATHER, K. Distribution of Crossing-Over in the Chromosomes of Drosophila. Nature 142, 157–158 (1938). https://doi.org/10.1038/142157a0
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DOI: https://doi.org/10.1038/142157a0
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