In this Punnett square, what is the ratio of homozygous to heterozygous offspring?
In the Punnett square, what percentage of the offspring are homozygous recessive?

Which of the following policies is an example of a command-and-control policy? a. subsidies to education b. maximum levels of pollution that factories may emit c. tradable pollution permits d. none of the above is an example of a command-and-control policy.