[Polymorphism of pericentromere heterochromatin of polytene chromosomes of ovarian trophocytes in natural populations of the malaria mosquito Anopheles messeae Fall].

Abstract excerpt

Pericentric heterochromatin polymorphism in chromosome 2 of ovarian trophocytes was studied in three natural populations of the malaria mosquito Anopheles messeae Fall. It is shown that pericentric heterochromatin blocks occur in four different variants whose sizes are at the 1:2:3:4 ratio (single, double, triple, and quadruple blocks). Mosquitoes with homo- and heterozygous variants of these blocks were...

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