chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 68911713 68911714 G C 16 GENIC homozygous 617085210 16 68911954 68911955 G - 2 GENIC homozygous 741529270 16 68911977 68911978 G - 5 GENIC homozygous 741529271