chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 53649869 53649870 A AGTGTGT 2 GENIC heterozygous 50547826 12 53649870 53649874 GTGT ---- 2 GENIC heterozygous 50455873 12 53650333 53650337 TATT ---- 1 GENIC homozygous 50547827