chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 81861542 81861543 C CCAGAT 19 GENIC homozygous 60746871 1 81864602 81864603 A G 1 GENIC homozygous 60746875 1 81864610 81864611 T TG 1 GENIC homozygous 60746876