chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 47899333 47899334 G C 23 GENIC homozygous 992429941 20 47899334 47899335 A T 23 GENIC homozygous 992429942 20 47899335 47899336 G C 23 GENIC homozygous 992429943 20 47903607 47903608 T G 16 GENIC homozygous 992429944 20 47903608 47903609 G T 16 GENIC homozygous 992429945