Answer:
Plants produce both haploid gametes and haploid spores in alternation of generations.
Step-by-step explanation:
In alternation of generations, the multicellular haploid form, known as a gametophyte, is followed in the developmental sequence by a multicellular diploid form, the sporophyte. During this process, plants produce gametes and spores. Gametes are always haploid, and spores are always haploid in the plant alternations of generations life cycle, but may not be haploid in plants that do not undergo alternation of generations.
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