Which of the following outcomes is most likely if animals had alternation of generations?

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Alternation of generations involves a life cycle in which there is both a multicellular diploid stage (the sporophyte) and a multicellular haploid stage (the gametophyte). The products of meiosis (which are haploid) would undergo mitosis to form a multicellular structure, rather than immediately fusing to form a zygote or remaining unicellular. This is observed in plants and some algae, indicating that if animals had alternation of generations, a similar pattern of developing into multicellular forms post-meiosis would be expected.

Which of the Following Outcomes Is Most Likely If Animals