chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 216127609 216127610 C T 52 GENIC possibly homozygous 520131384 4 216127942 216127943 G T 24 GENIC possibly homozygous 520131385 4 216128085 216128086 C T 34 GENIC possibly homozygous 520131386