B-chromosome polymorphism and interchromosomal chiasma interference in Eyprepocnemis plorans (Acrididae; Orthoptera) |
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Authors: | N. Henriques-Gil J. L. Santos R. Giraldez |
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Affiliation: | (1) Departamento de Genética, Facultad de Biología, Universidad Complutense, Madrid, Spain |
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Abstract: | Using the C-banding technique, the morphology and meiotic behaviour of four different types of B-chromosomes present in several populations of Eyprepocnemis plorans have been studied. The possible relationship between these four types is discussed. The analysis of chiasma frequency in A and B-chromosomes suggests the existence of interchromosomal interference and demonstrates that the chiasma frequency of B-s depends on the genetic background of the individual carrying them. |
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