The document summarizes key facts about cellular reproduction and the cell cycle. It explains that the cell cycle consists of interphase (G1, S, G2 phases) and mitosis (M phase including prophase, metaphase, anaphase and telophase). During interphase, the cell grows and DNA is replicated. Mitosis divides the cell into two identical daughter cells. Meiosis produces gametes through two cell divisions and reduces chromosome number by half to produce haploid cells. Fertilization fuses gametes to form a diploid zygote and restart the cell cycle.