chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 27201717 27201718 T C 28 GENIC homozygous 136055621 2 27201739 27201740 G T 26 GENIC possibly homozygous 136055622 2 27202089 27202090 G C 18 GENIC homozygous 136055623