Answer:
A. Matting must occur randomly
Step-by-step explanation:
Godfrey Hardy and Wilhelm Heinberg equilibrium law or equation state that genotype and allele frequencies will remain constant form generation to generation in the absence of any evolutionary influences.
According to their law proportion will be at equilibrium if these five assumption hold true-
1. No genetic drift
2. A closed population
3. Mutation don't happen
4. No natural selection
5. Random matting patterns.