bensaalfeld bensaalfeld 29-05-2020 Biology contestada WILL MARK BRAINLIEST!!!! The Hardy-Weinberg equation is an expression showing the frequencies of 100 percent of the alleles for a specific gene in a population. If biologists can show that either p or q is changing over a period of time, what is occurring in the population? The population is evolving. The population is decreasing in size. The population is stabilizing. The population is not evolving.