chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 20274701 20274702 G A 12 GENIC homozygous 47327030 16 20277697 20277698 T C 9 GENIC homozygous 47327032 16 20279256 20279258 GT -- 12 GENIC homozygous 48181699 16 20282009 20282010 C T 16 GENIC homozygous 47327035