chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 87017443 87017444 G A 21 GENIC homozygous 113130219 4 87018807 87018808 C G 34 GENIC homozygous 112767170 4 87019139 87019140 A G 27 GENIC homozygous 113130220