All of the Following Are Uses for the Hardy-Weinberg Equation

All of the following are uses for the Hardy-Weinberg equation EXCEPT

A) it can be used to measure the frequency in DNA markers used in DNA profiles.
B) it can estimate the frequency of an allele in a population.
C) that knowing the frequency of the alleles, one can calculate the frequency of carriers.
D) it can be used to calculate how common the alleles are in a populations.
E) it provides information on how effective drugs will be for treating certain diseases.