chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 136428416 136428417 G C 37 GENIC homozygous 56940973 4 136429837 136429847 TGTGTGGTGT ---------- 24 GENIC homozygous 56940974 4 136429842 136429843 G - 21 GENIC possibly homozygous 56940975 4 136430821 136430822 A C 50 GENIC homozygous 56940976