chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 19172519 19172520 G C 11 GENIC homozygous 970597493 12 19172520 19172521 G T 11 GENIC homozygous 970597494 12 19172521 19172522 G T 12 GENIC homozygous 970597495