Which of the following is the correct F1 generation genotypic ratio from the dihybrid cross shown below? AABb x AABB

a. 1:2:1

b. 9:3:3:1

c.1:1

d.4:4:4:4

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

idk let me see fdfdgdg

wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.