chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 62670783 62670784 T C 7 GENIC homozygous 56919001 4 62671098 62671099 G - 10 GENIC homozygous 56919002 4 62671111 62671112 C G 10 GENIC homozygous 56919003