chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 187776366 187776367 T C 21 GENIC homozygous 108456788 1 187776797 187776798 G A 28 GENIC homozygous 108456793 1 187778049 187778050 C A 31 GENIC homozygous 108974984 1 187778113 187778114 G A 25 GENIC homozygous 108974985