chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 7540557 7540558 G A 18 GENIC homozygous 141596088 4 7549146 7549147 C T 15 GENIC homozygous 136963938 4 7558976 7558977 T C 9 GENIC homozygous 136963939 4 7559793 7559793 A 13 GENIC heterozygous 136865220