chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 200421775 200421776 G A 24 GENIC homozygous 57045467 4 200422180 200422181 C T 22 GENIC homozygous 57045468 4 200422901 200422902 T C 25 GENIC possibly homozygous 57045470