chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4648162 4648163 G A 8 GENIC heterozygous 951272396 20 4648169 4648170 T G 6 GENIC heterozygous 951272397 20 4648191 4648192 C A 18 GENIC heterozygous 951272398