Turn the lights off and make the room as dark as possible. Wait 30 seconds and turn the lights back on! Describe size and any action you see. HELP, TELL ME WHAT HAPPENS TO YOUR EYE

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48