chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 120420588 120420589 T C 17 GENIC homozygous 138197250 7 120421751 120421752 T C 18 GENIC homozygous 138197259 7 120422661 120422662 C T 23 GENIC homozygous 138197262