chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 170832352 170832353 G A 21 GENIC homozygous 113215085 4 170832354 170832355 A G 22 GENIC homozygous 112950584 4 170837741 170837742 A T 21 GENIC homozygous 113215087 4 170840681 170840682 C A 17 GENIC homozygous 113215088