Absence of linkage between transcobalamin II and ABO
In a linkage analysis of 29 pedigrees with a total of 196 individuals, absence of close linkage between transcobalamin II (TC2) and ABO is demonstrated. Recombination fraction values of θ<f0.23 can be excluded. In five additional familes comprising a total of 23 individuals, absence of tight linkage between TC2 and HLA is demonstrated. Values of θ<0.08 can be excluded.