chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 246687065 246687066 C T 26 GENIC homozygous 957098981 1 246791688 246791689 T G 24 GENIC homozygous 957098982 1 246791851 246791852 T C 4 GENIC homozygous 957098983