Genetics of Color Polymorphism in the Pea Aphid, Acyrthosiphon pisum

  title={Genetics of Color Polymorphism in the Pea Aphid, Acyrthosiphon pisum
  author={Marina C. Caillaud and John E. Losey},
  booktitle={Journal of insect science},
The genetic basis of color polymorphism is explored in the pea aphid, Acyrthosiphon pisum (Harris) (Homoptera: Sternorrhyncha), in which two color morphs have been described (pink or green). Laboratory crosses and a Mendelian genetic analysis reveal that color polymorphism in pea aphids is determined by a single biallelic locus, which we name colorama, with alleles P and p, pink being dominant to green. The putative genotypes are Pp or PP for pink morphs, and pp for green morphs. This locus is… CONTINUE READING

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