Abstract
The Hoechst 33258 banding pattern of the mitotic chromosomes of several laboratory and natural populations of the sibling species A. gambiae and A. arabiensis has been analyzed. A clear intraspecific polymorphism of sex chromosome heterochromatin has been observed. Nevertheless in each species heterochromatic variations fall within a characteristic species-specific pattern. Moreover, while laboratory populations tend to be monomorphic for a given heterochromatic variant, natural populations exhibit a high degree of intrapopulation polymorphism. The possible role of sex chromosome heterochromatin in controlling fertility and mating behaviour of Anopheles mosquitoes is discussed.
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Bonaccorsi, S., Santini, G., Gatti, M. et al. Intraspecific polymorphism of sex chromosome heterochromatin in two species of the Anopheles gambiae complex. Chromosoma 76, 57–64 (1980). https://doi.org/10.1007/BF00292226
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DOI: https://doi.org/10.1007/BF00292226