16. Answer the following questions:

a. In what way do the percentages of yellow leaves vary between dishes on Day 2? How do you account for this

difference?

b. Compare the percentage of yellow seedlings in dish 2 on day 2 with the percentage on day 4. What is the

difference? What experimental variable accounts for this difference?

c. How can you account for the difference between the seedlings in dish 1?

d. Is the yellow color genetically or environmentally controlled?

e. How can environmental factors affect inheritance? (Use human height as an example. )