chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 19948584 19948585 A T 25 GENIC homozygous 67844584 8 19948587 19948588 A T 24 GENIC homozygous 67844589 8 19959075 19959076 T C 16 GENIC homozygous 67844604