Original: Sexual reproduction Main article: Evolution of sex Though cell reproduction that uses mitosis can reproduce eukaryotic cells, eukaryotes bother with the more complicated process of meiosis because sexual reproduction such as meiosis confers a selective advantage.
Simplified: Sexual reproduction Cell reproduction that uses mitosis can reproduce eukaryotic cells. Eukaryotes bother with the more complicated process of meiosis because sexual reproduction such as meiosis confers a selective advantage.