A) Mitosis occurs in gametophytes to produce gametes. B) Meiosis occurs in sporophytes to produce spores. C) The gametophyte is within the flower in angiosperms. D) Mitosis occurs in gametophytes to produce gametes, and meiosis occurs in sporophytes to produce spores. E) Mitosis occurs in gametophytes to produce gametes, meiosis occurs in sporophytes to produce spores, and the gametophyte is within the flower in angiosperms.