chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 224693862 224693863 G A 20 GENIC homozygous 537640215 4 224695988 224695993 AAAAA ----- 5 GENIC heterozygous 697190937 4 224696113 224696114 C A 21 GENIC homozygous 537640216