What Is the Major Difference Between Mitosis and Meiosis

What is the major difference between mitosis and meiosis?

A) In meiosis, a cell is completely replicated into two daughter cells. In mitosis, the daughter four cells are haploid, not replicates of the original cell.
B) In mitosis, a cell is completely replicated into two daughter cells. In meiosis, the four daughter cells are haploid, not replicates of the original cell.
C) Meiosis happens in embryos and mitosis happens in adult human cells.
D) They are part of the same process of cell division but meiosis happens in the first part and results in haploid daughter cells.
E) Meiosis is part of the process of reproduction and embryogenesis and mitosis is not.