chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 210521064 210521065 T C 17 GENIC homozygous 653606934 1 210521407 210521408 C T 27 GENIC homozygous 653606935 1 210521784 210521785 T G 31 GENIC possibly homozygous 653606936