chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 20485309 20485310 A C 54 GENIC heterozygous 118323953 12 20486712 20486713 T G 19 GENIC heterozygous 118364707 12 20486772 20486773 T C 27 GENIC homozygous 118250361