chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 48475259 48475260 A C 16 GENIC homozygous 109213912 20 48475563 48475564 A G 18 GENIC homozygous 109213914 20 48481225 48481226 C A 21 GENIC homozygous 109213916 20 48487066 48487067 G A 43 GENIC homozygous 109213918 20 48487067 48487068 G A 43 GENIC homozygous 109213920