chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 129546236 129546237 C G 17 GENIC homozygous 54519529 7 129546542 129546543 T C 22 GENIC homozygous 54519531 7 129547243 129547244 A C 22 GENIC homozygous 54108965