chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 121226253 121226254 C A 26 GENIC homozygous 637226825 3 121226427 121226428 T C 27 GENIC homozygous 637226826 3 121226517 121226518 G A 30 GENIC homozygous 637226827 3 121226651 121226652 G A 36 GENIC homozygous 637226828