What happens when a population is in hardy-weinberg equilibrium?
o
a. the number of phenotypes increases.
b. the gene pool stays the same.
o
o
c. the allele frequency increases.
d. the alleles are distributed evenly.

the correct option is option d

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.