chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 248461574 248461575 T C 23 GENIC homozygous 110370440 2 248464877 248464878 A G 62 GENIC heterozygous 110370504 2 248464880 248464881 T G 63 GENIC heterozygous 110370506 2 248464896 248464897 G A 62 GENIC heterozygous 110370508