Fig. 2From: Copy neutral absence of heterozygosity on chromosome 15 distal long arm: A surrogate marker for Prader–Willi/Angelman syndromes?SNP-based microarray analysis showing 28.7 Mb block of AOH on distal 15q (blue box) in case 1 (a) and a 15.3 Mb block of AOH on distal 15q (blue box) in case 2 (b)Back to article page