chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 74756398 74756399 A AG 11 GENIC homozygous 58889393 2 74766535 74766536 C CA 9 GENIC homozygous 58889402 2 74777897 74777899 CC -- 19 GENIC homozygous 58889403