As this bee dines on nectar, it also transfers pollen from one flower to another. pollen containing sperm is transferred to the female flower parts and fertilization of an egg soon follows.

which statement best summarizes the change in chromosome number before and after fertilization?

a) n + n yields n

b) n + n yields 2n

c) n + 2n yields 3n

d) 2n + 2n yields 4n