Summary
The character Plexus is described and shown to be based not on a single gene but on the inverted order of some of the genes in theX-chromosome. The resultant alteration in crossing-over is discussed.
A series of mosaics arising in the Plexus stock is described and the origin and nature of the condition discussed.
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References
Grüneberg, Hans (1935). “A new inversion of theX-chromosome inDrosophila melanogaster.”J. Genet. 31, 163–85.
Koller, P. Ch. (1935). “The internal mechanics of the chromosomes.”Proc. roy. Soc. B,118, 371–97.
Stone, Wilson andThomas, Isabel (1935). “Crossover and disjunctional properties ofX-chromosome inversions inDrosophila melanogaster.”Genetica,17, 170–85.
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Crew, F.A.E., Lamy, R. The “plexus” chromosome ofDrosophila pseudo-obscura race A. Journ. of Genetics 32, 5–15 (1936). https://doi.org/10.1007/BF02982498
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DOI: https://doi.org/10.1007/BF02982498