B. If the 2 pink flowered Groots produce 500 offspring, how many of them should have red flowers? Explain your answer and show
your work.

it would be 125

Explanation:

first draw punnet sqaure , by that you will get to know that the probailty of red pink and white flowers is 1:2:1 or 25 % chance of red and white will 50 % for pink flowers.

now ,in the question it is given that total offspring is 500:

for red flowers : 500 x 25% = 125

for white flowers : 500 x 25% = 125

for pink flowers : 500 x 50% = 250

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.