In unicorns, three alleles at a gene determine the condition of the horn. the allele for a twisted horn, ht, and the allele for a long horn, hl, are codominant; both are completely dominant to the hornless allele, h. the frequency of hornless individuals in the population is 16%, and the frequency of the allele for twisted horns is 0.1. what is the frequency of the long horn allele?