Summary
Complementation maps of the seven male fertility factors in the Y chromosome of D. melanogaster have been constructed and are linearly consistent in all cases. These observations are further evidence that genetic loci in heterochromatic chromosomes share many characteristics with loci in euchromatic regions of chromosomes. These functional maps are consistent with the hypothesis that the genetic material of the male fertility factors in the Y chromosome is made up of single-copy sequences which become amplified in the primary spermatocyte.
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Communicated by Ch. Auerbach
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Williamson, J.H. Allelic complementation between mutants in the fertility factors of the Y chromosome in Drosophila melanogaster . Molec. Gen. Genet. 119, 43–47 (1972). https://doi.org/10.1007/BF00270442
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DOI: https://doi.org/10.1007/BF00270442