chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 88232331 88232332 T G 23 GENIC homozygous 112771637 4 88232345 88232346 T G 25 GENIC homozygous 112771638 4 88232689 88232690 G A 17 GENIC homozygous 112771640