allotype

noun3

1. •
   A genetically determined variant of the amino acid sequence of a protein.

   • Until recently, different C-region allotypes were explained by allelic genes which each encoded a different but closely related protein sequence. — 2007
2. •
   An immunoglobulin allotype; the allele of the antibody chains found in an individual.
3. •
   A designated paratype of a species (or lower-order taxon) that is the opposite sex of the holotype.

   • The allotype female has one T2 deformed (fig. 75D), while the other one is normally developed. — 2007