Branched chromosomes as symmetrical duplications

Abstract

1. The bulb of theX-chromosome ofD. melanogaster and branched chromosomes in general are interpreted to be symmetrical duplications formed by a continuous unbranched chromonema. 2. An explanation of the formation of symmetrical duplications is advanced, and evidence for a single event producing more than one break is presented. 3. The bulb antedates the… (More)
DOI: 10.1007/BF02982505

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4 Figures and Tables