Given a scientific question, generate a correct answer to it.

Input: Consider Input: After fertilization is complete, no other sperm can enter. the fertilized ovule forms the seed, whereas the tissues of the ovary become this?

Output: fruit

Input: Consider Input: What structures are located on roof of the nasopharynx and on each side of the pharynx?

Output: tonsils

Input: Consider Input: What do the letters in our blood types represent?
Output: alleles