All of the following are criteria for maintaining Hardy-Weinberg equilibrium involving two alleles except:
a. gene flow from other populations must be zero.
b. the frequency of all genotypes must be equal.
c. mating must be random.
d. there should be no natural selection.
e. populations must be large.

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales