chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 187000427 187000428 C T 18 GENIC possibly homozygous 57027230 4 187023428 187023429 A AGT 3 GENIC homozygous 57027232 4 187023441 187023442 A AG 2 GENIC homozygous 57027233