Answer:
sporophyte plant: 2N
gametophyte plant: 1N
sporangium: 2N
spore: 1N
spore mother cell (aka sporocyte): 2N
antheridium: 1N
archegonium: 1N
sperm: 1N
egg: 1N
zygote: 2N
Step-by-step explanation:
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