chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 83991845 83991846 T G 27 GENIC homozygous 968605654 1 83992502 83992503 G A 27 GENIC homozygous 968605655 1 83992887 83992888 T C 45 GENIC homozygous 968605656