chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 124396774 124396775 G A 23 GENIC homozygous 977909225 1 124397005 124397006 G T 35 GENIC homozygous 977909226 1 124399918 124399919 G T 22 GENIC homozygous 977909227