chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 174743082 174743083 A T 19 GENIC homozygous 74907728 2 174744958 174744959 C G 14 GENIC homozygous 74907729 2 174745505 174745506 C T 19 GENIC homozygous 74132731