chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 124396774 124396775 G A 28 GENIC homozygous 942855317 1 124397005 124397006 G T 27 GENIC homozygous 942855318 1 124399918 124399919 G T 33 GENIC homozygous 942855319