Article

Genetica

, Volume 75, Issue 1, pp 55-70

The banding pattern of polytene chromosomes of Drosophila guanche compared with that of D. subobscura

  • M. D. MoltóAffiliated withDepartamento de Genética, Facultad de Ciencias Biológicas, Universidad de Valencia
  • , R. De FrutosAffiliated withDepartamento de Genética, Facultad de Ciencias Biológicas, Universidad de Valencia
  • , M. J. Martinez-SebastiánAffiliated withDepartamento de Genética, Facultad de Ciencias Biológicas, Universidad de Valencia

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Abstract

A detailed map of the salivary gland chromosomes of Drosophila guanche is presented and compared to the standard gene arrangements of D. subobscura. Generally, the polytene chromosomc banding patterns of the two species show a high degrce of homology. Only Segment I of the sex chromosome (Chromosome A) shows marked differences. The banding pattern proposed for this segment in D. guanche could have originated from a cluster of overlapping inversions including A1 arrangement.