chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 33400880 33400881 T C 56 GENIC homozygous 140447113 19 33402323 33402324 A T 56 GENIC homozygous 140447114 19 33402693 33402694 T C 50 GENIC homozygous 140447115