chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 228504628 228504629 C A 25 GENIC homozygous 588593158 2 228504636 228504637 A - 26 GENIC homozygous 722950356 2 228504640 228504641 T C 24 GENIC homozygous 588666092