chr start stop reference nuc variant nuc depth genic status zygosity variant ID 14 107750763 107750764 A C 50 GENIC homozygous 809353420 14 107750769 107750770 T C 50 GENIC homozygous 809353421 14 107750949 107750950 T C 50 GENIC homozygous 809353422