A scientist attempts to maintain a population of pea plants in a “non-evolving state” by trying to simulate the conditions required for Hardy-Weinberg equilibrium. He places the plants in a contained area under controlled conditions (no factors limiting) and makes certain that all crosses conducted are completely random. Which conditions for Hardy-Weinberg equilibrium have NOT been met?

I. no gene flow

II. no net mutations

III. random mating

IV. no natural selection

A.
I and II

B.
II and IV

C. *****
II only

D.
IV only

1 answer

A.
I and II