chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 172053451 172053452 T C 36 GENIC homozygous 108380340 1 172053531 172053532 A T 31 GENIC homozygous 108380343 1 172053576 172053577 C T 34 GENIC homozygous 108380345 1 172053691 172053692 G A 40 GENIC homozygous 108380347