chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 100475929 100475930 C T 18 GENIC homozygous 113537666 4 100476655 100476656 A G 13 GENIC homozygous 113284196 4 100477555 100477556 T C 22 GENIC homozygous 113284198