A) 30% AA, 60% Aa, and 10% aa
B) 60% A and 40% a
C) 60% AA, 20% Aa, and 20% aa
D) 60% AA, 30% Aa, and 10% aa

A) Hidden variation is not always present in continuously evolving traits.
B) Selection causes genotypic frequencies to reach equilibrium in one generation, and the distribution of phenotypes does not change.
C) Selection can lead to cumulative, long-term change.
D) Genetic variation is always expressed as phenotypic variation.

A) A = 0.6 and a = 0.4
B) A = 0.5 and a = 0.5
C) A = 0.3 and a = 0.7
D) A = 0.4 and a = 0.6