chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 230136551 230136552 C G 16 GENIC homozygous 109003869 1 230136719 230136720 T C 16 GENIC homozygous 109003870 1 230137152 230137153 T C 24 GENIC homozygous 109003871