chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 177919252 177919253 G T 16 GENIC homozygous 61562213 1 177919712 177919713 T G 12 GENIC homozygous 60969990 1 177919810 177919811 A G 15 GENIC homozygous 61562214