, Mendel's Law of Dominance states three things: (i) Characters are controlled by discrete units called factors, (ii) Factors occur in pairs, and (iii) In a dissimilar pair of factors one member of the pair dominates the other . The statement that 'alleles do not show any blending and that both the characters are recovered as such in the F2 generation' is the basis for the Law of Segregation, not the Law of Dominance .