chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 113491654 113491655 C A 43 GENIC homozygous 119440744 4 113492469 113492470 C T 47 GENIC homozygous 119440745 4 113494065 113494066 G A 44 GENIC possibly homozygous 112811705