chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 220969699 220969700 G A 30 GENIC homozygous 109368058 1 220970869 220970870 A G 37 GENIC homozygous 109368059 1 220970985 220970986 C T 40 GENIC homozygous 109368060 1 220971831 220971832 T C 29 GENIC homozygous 109368061 1 220973160 220973161 C A 23 GENIC possibly homozygous 108543354