chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 43531526 43531527 T C 21 GENIC homozygous 50212001 12 43531841 43531842 C A 17 GENIC homozygous 50469399 12 43532599 43532600 T C 19 GENIC homozygous 50330109