What cells undergo meiosis?

Related questions

• Why are sperm and egg haploid cells?
• How many chromosomes do diploid cells have?
• How does a diploid organism differ from a haploid organism?
• How can a haploid organisms produce gametes?
• How can a haploid cell undergo mitosis?
• What is a diploid organism?
• What are haploid cells?
• Are all unicellular organisms haploid? If not, how do we know a cell is haploid or diploid?
• How would you compare and contrast mitosis and meiosis?
• In meiosis, how does prophase I differ from prophase II?