chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 47289123 47289124 A T 25 GENIC homozygous 109212398 20 47289141 47289142 A T 27 GENIC homozygous 109212400 20 47298935 47298936 C G 20 GENIC homozygous 109276484