With allele A frequency p and allele a frequency q=1-p, which set correctly represents the expected genotype frequencies under Hardy-Weinberg equilibrium?

• A. p^2 for AA, 2pq for Aa, q^2 for aa
• B. p for AA, q for Aa, 1-p for aa
• C. p^2 for AA, p for Aa, q for aa
• D. p^2 for AA, 2p^2q for Aa, q^2

Answer: (A)