chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 55428192 55428193 T C 17 GENIC homozygous 138337266 8 55434188 55434189 G A 21 GENIC homozygous 138337267 8 55436604 55436605 G A 17 GENIC homozygous 138337268