chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 66091172 66091173 A T 8 GENIC homozygous 113236847 4 66091350 66091351 T A 12 GENIC homozygous 113236848 4 66091910 66091911 A G 6 GENIC homozygous 113236849