chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 68911713 68911714 G C 12 GENIC homozygous 629732990 16 68911954 68911955 G - 2 GENIC heterozygous 745103988 16 68911977 68911978 G - 3 GENIC heterozygous 745103989