Erythrocyte Automosaicism in Some Persons of Known Genotype
K. C. Atwood 1 and
F. Jay Pepper 1
1 Division of Biological Sciences, University of Chicago, Chicago, Illinois
We have estimated the proportions of non-A and non-B erythrocytes in some members of four families in which both parents were blood group AB, including two B homozygotes. The exceptional cell frequencies were not discernibly correlated with age. The B homozygotes had fewer non-B exceptional cells than their AB parents or sibs, but too many to represent independent losses of the B alleles. These results are not in agreement with the simplest expectations based on the mutational hypothesis of automosaicism.