chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 170145989 170145990 C A 3 GENIC homozygous 108374820 1 170146620 170146621 A G 2 GENIC homozygous 108374822 1 170148460 170148461 A G 3 GENIC homozygous 108374845