chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 216127609 216127610 C T 20 GENIC homozygous 821884816 4 216127942 216127943 G T 23 GENIC homozygous 821884817 4 216128085 216128086 C T 11 GENIC homozygous 821884818