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Inversion polymorphism and incipient speciation inAnopheles gambiaes.str. in The Gambia, West Africa

✍ Scribed by J. H. Bryan; M. A. Deco; V. Petrarca; M. Coluzzi

Publisher
Springer Netherlands
Year
1982
Tongue
English
Weight
784 KB
Volume
59
Category
Article
ISSN
0016-6707

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✦ Synopsis

Analysis of the inversion polymorphism of Anopheles gambiae s.str, in The Gambia and surrounding zones of Senegal (Saloum and Casamance) shows, in samples from the central part of the study area, highly significant and temporally stable departures from Hardy-Weinberg equilibrium with deficits of the heterokaryotypes. This situation and the general pattern of karyotype distribution are consistent with the hypothesis of two chromosomally differentiated populations ofA. gambiae which show partial reproductive isolation and incomplete intergradation in the contact zone.

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