chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 629149 629150 G A 18 GENIC homozygous 874748963 12 631940 631941 G T 19 GENIC homozygous 874748962 12 634648 634649 T C 20 GENIC homozygous 874748961 12 639305 639306 G A 13 GENIC homozygous 874748960