chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 87408120 87408121 C T 20 GENIC homozygous 60752926 1 87409598 87409599 A T 15 GENIC homozygous 61951012 1 87410017 87410018 C G 10 GENIC homozygous 61951013