The Following Question Refers to the Generalized Life Cycle for Plants

The following question refers to the generalized life cycle for plants shown in the figure. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents meiosis, mitosis, or fertilization. In the figure, meiosis is most likely to be represented by which number(s) ?

A) 2
B) 4
C) 2 and 8
D) 10 and 12