Mutants at the Bobbed Locus in Drosophila melanogaster: Relation to Ribosomal RNA Synthesis?

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Science  06 Dec 1968:
Vol. 162, Issue 3858, pp. 1139
DOI: 10.1126/science.162.3858.1139


An allele of the bobbed locus (bobbed bristle) behaved in crosses with other bobbed alleles as a weak isoallele to which extreme bobbed alleles were dominant. The results are consistent with the hypothesis that the bobbed locus contains multiple cistrons, some threshold number of which are needed to produce ribosomal RNA and the normal phenotype.

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