chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 56809752 56809753 T C 41 GENIC homozygous 814502029 19 56812548 56812549 T G 22 GENIC homozygous 814502030 19 56815842 56815843 T C 20 GENIC homozygous 814502031