chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 68911713 68911714 G C 18 GENIC possibly homozygous 588444866 16 68911954 68911955 G - 2 GENIC heterozygous 722446572 16 68911977 68911978 G - 1 GENIC homozygous 722446573