chr start stop reference nuc variant nuc depth genic status zygosity variant ID X 78690138 78690139 A C 2 GENIC homozygous 45153618 X 78691619 78691620 G A 8 GENIC heterozygous 45153619 X 78693969 78693970 T TA 3 GENIC homozygous 45153620