chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 12900542 12900543 A C 7 GENIC homozygous 115570705 7 12901575 12901576 A G 14 GENIC homozygous 115570706 7 12902178 12902179 A G 12 GENIC homozygous 115570707