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Metaphase karyotypes of females in species from the An. gambiae complex. (A) An. gambiae strains. (B) An. coluzzii strains. (C) An. arabiensis, An. quadriannulatus, and An. merus strains. Black and dark gray blocks correspond to compact and diffuse heterochromatin, respectively. X chromosomes are labeled. Species names are indicated in italics and strain names are capitalized.
