chr start stop reference nuc variant nuc depth genic status zygosity variant ID 9 50752779 50752780 A T 19 GENIC homozygous 117335041 9 50754106 50754107 C A 30 GENIC homozygous 117335043 9 50759144 50759145 C G 19 GENIC homozygous 117335044