Definitions

1. adjective

relating to or denoting a variant of a protein or gene that is determined by the genetic makeup of an individual, especially in relation to blood groups.

“The researchers studied the allotypic variations of the blood group antigen.”

2. noun

a variant of a protein or gene that is determined by the genetic makeup of an individual, especially in relation to blood groups.

“The allotypic forms of the protein were analyzed to understand their effects on the body.”