chr start stop reference nuc variant nuc depth genic status zygosity variant ID 17 77942834 77942835 T C 7 GENIC homozygous 47190300 17 77942979 77942980 A G 3 GENIC homozygous 47190301 17 77943069 77943070 C T 4 GENIC homozygous 47190302