Assertion: gene's allele | /r/HasProperty | aa
Facets:
Source sentences:
text: In unaffected persons homozygous for a standard functional allele (AA), PAH activity is standard (100%), and the concentration of phenylalanine in the blood [Phe] is about 60 μM (= μmol/L).
text: Since the gene has only two alleles, all alleles must be either A or a and p + q = 1.