chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 30431941 30431942 T - 51 GENIC homozygous 50170472 12 30439381 30439382 G A 77 GENIC homozygous 50170474 12 30439471 30439472 T G 54 GENIC homozygous 50170476 12 30439473 30439474 T C 54 GENIC homozygous 50170478