Q1. The trend in the U.S. is having children later in life than previous generations. What effects may this trend have on the incidence of late-acting dominant lethal alleles in the population?

Q2. How many generations would it take to eliminate at least 95 percent of the alleles for the recessive gene for the inability to taste PTC if a tyrant eliminated all those who might not taste PTC from every generation before they can pass on their recessive alleles?