Despite being the child of two mutants, Graydon is not a mutant himself. Urease knockout mutants are incapable of colonization. Both have opposing views and philosophies regarding the relationship between mutants and humans. Over 16 million mutants and humans die. Moira was a kind woman who took to helping humans and mutants alike. There is a similar effect in DRG neurons expressing the L858H and A863P mutants. Addition of cAMP corrects the low Lac expression characteristic of "cya" mutants. There is no motor CST pruning defect observed in these mutants. Only two of the Barbarois mutants appear as enemies. They sometimes use slingshots to fire these at the Mutants or other foes. He encountered Sunspot of the New Mutants. See also "dominant negative" mutants such as S17N and D119N. Sabretooth appears as a member of Daken's short lived Brotherhood of Mutants. Rahne and the other New Mutants are taken prisoners by O*N*E. Magik is a member of a S.H.I.E.L.D. squadron of young mutants called the Hellions.