Figure 2: Fragments of amplified ADA1 after digestion with Taq I. Are visible from left to right, respectively, fourth, twelfth and seventeenth line, three heterozygotes ADA1 1-2, others are homozygous ADA1 1-1. In this picture there isn’t the homozygous ADA1 2-2. The dimension of bands is 365 bp, 278 bp and 78 bp but the latter is not visible.