A) that changes codon 71 from TGG (tryptophan) to TGA (stop). The W71X mutation was found in affected members of the Hopewell and of the four satellite families. The W71X mutation is the cause of X-linked NDI for the largest number of related male patients living in North America. Other families (Utah, Q2 and Q3) that are historically and ethnically unrelated bear other mutations in the V2 receptor gene.,Bichet(D G),Arthus(M F),Lonergan(M),Hendy(G N),Paradis(A J),Fujiwara(T M),Morgan(K),Gregory(M C),Rosenthal(W),Didwania(A)">
