chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 157233784 157233785 C T 10 GENIC homozygous 112905881 4 157234300 157234301 T C 17 GENIC homozygous 112905883 4 157234714 157234715 T C 15 GENIC homozygous 112905885