chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 247874001 247874002 G C 16 GENIC homozygous 120523932 1 247877564 247877565 A G 19 GENIC homozygous 108603208 1 247877736 247877737 T C 14 GENIC homozygous 108603209