chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 20456625 20456626 C T 14 GENIC homozygous 136651167 3 20457063 20457064 G A 13 GENIC homozygous 144639197 3 20457107 20457108 T C 13 GENIC homozygous 144639198