chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 6443302 6443303 A G 22 GENIC homozygous 45675194 20 6443917 6443918 A G 37 GENIC homozygous 45398893 20 6444715 6444716 G C 2 GENIC homozygous 45840274 20 6445117 6445118 T C 36 GENIC homozygous 45398895