chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 19170668 19170669 T C 21 GENIC homozygous 115663760 12 19172517 19172518 G A 15 GENIC homozygous 115663762 12 19172519 19172520 G C 15 GENIC homozygous 115278199 12 19172520 19172521 G T 15 GENIC homozygous 115278201 12 19172521 19172522 G T 15 GENIC homozygous 115278203