Abstract
DESPITE the extensive work done on the cytogenetics of natural populations of Drosophila, only four examples of natural translocations are known besides the case recorded here, due, apparently, to the very heavy selection against the condition1. Homozygous translocations may lead to inviability or infertility as a result of some kind of position effect2. Heterozygous translocations have both disjunction and crossing-over affected3. The first two cases were in D. ananassae4,5, the third in D. prosalterns6,7 and the fourth in D. ananassae8. Only the D. ananassae translocation discovered by Dobzhansky and Pavan has been detected more than once, namely, in two out of seven females tested. These translocations have all been detected in material from Brazil except Kikkawa's D. ananassae translocation, which was in material from Japan.
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MATHER, W. A Natural Translocation in Drosophila. Nature 195, 625 (1962). https://doi.org/10.1038/195625a0
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DOI: https://doi.org/10.1038/195625a0
