chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 250765089 250765090 A G 4 GENIC homozygous 76169630 2 250766307 250766308 A T 9 GENIC homozygous 74535884 2 250768610 250768611 C T 25 GENIC homozygous 74535893 2 250771231 250771232 A G 9 GENIC homozygous 76169631