chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 6613059 6613060 A G 9 GENIC homozygous 630426729 20 6614953 6614954 C A 7 GENIC heterozygous 630426730 20 6615530 6615531 G T 16 GENIC possibly homozygous 630426731