Abstract
DDT* residues have already been implicated in widespread disruption of various ecosystems1–10. We report here the possibility of their being indirectly responsible for alterations in the genetic content of populations. Our conclusions are based on correlations between chromosomal changes in the fly Drosophila pseudoobscura described over the past 24 years in the western US by Dobzhansky and various collaborators and the distribution patterns of DDT residues we are finding throughout this area. In addition to general geographic correlation, there are several episodes in which these particular genetic effects occurred immediately after DDT application in the particular areas involved.
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CORY, L., FJELD, P. & SERAT, W. Environmental DDT and the Genetics of Natural Populations. Nature 229, 128–130 (1971). https://doi.org/10.1038/229128a0
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DOI: https://doi.org/10.1038/229128a0
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