chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 68911713 68911714 G C 17 GENIC homozygous 550331324 16 68911954 68911955 G - 16 GENIC homozygous 699922473 16 68911977 68911978 G - 20 GENIC homozygous 699922474