Answer:
Mendel was interested in the offspring of two different parent plants, so he had to prevent self-pollination. He removed the anthers from the flowers of some of the plants in his experiments. ... The offspring that result from such a cross are called hybrids.
Explanation:boom
The answer is d or c but I think it’s b. Hope this helps!
They observe it, run tests on many different things, and do expirments