Genotypes | Total | ||||||
---|---|---|---|---|---|---|---|
HH/YY | HH/CC | HD/CC | HD/CY | HH/CY | DD/CC | ||
GH | 105 | 5 | 0 | 3 | 1 | 1 | 115 |
Controls | 1 | 65 | 22 | 4 | 6 | 3 | 101 |
Genotypes are given for amino acid 63/amino acid 282 of the polypeptide (C, cysteine; D, aspartic acid; H, histidine; Y, tyrosine). HH/CC = normal (wild type) and HH/YY = homozygosity for the C282Y mutation. GH, genetic haemochromatosis.