What must be true for Hardy-Weinberg equilibrium to occur?

A. No allele can give an advantage.
B. The population must be small.
C. Organisms must choose mates.
D. Mutations must occur in each generation.

Question

What must be true for Hardy-Weinberg equilibrium to occur?

 		A.	No allele can give an advantage.
 		B.	The population must be small.
 		C.	Organisms must choose mates.
 		D.	Mutations must occur in each generation.

anonymous · Answer

One of the conditions i remmeber is: 
- No natural selection (i.e. every individual has an equal chance of survival)
so i guess that is the same statement as option A in your answers.