The ___________ gametophyte stage produces gametes (eggs and sperm) by __________. see section 28.3 (page 569) . view available hint(s) the ___________ gametophyte stage produces gametes (eggs and sperm) by __________. see section 28.3 (page 569) . diploid; meiosis haploid; mitosis haploid; meiosis diploid; mitosis