chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 5456153 5456154 T C 30 GENIC homozygous 109390294 20 5456538 5456539 T C 30 GENIC homozygous 109296941 20 5456605 5456606 T C 21 GENIC homozygous 109078048 20 5456897 5456898 C T 20 GENIC homozygous 109420458