chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 216127609 216127610 C T 43 GENIC homozygous 533172490 4 216127942 216127943 G T 48 GENIC heterozygous 533172491 4 216128085 216128086 C T 41 GENIC possibly homozygous 533172492