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Answer: Eight haploid nuclei.

The mature female gametophyte (embryo sac) of the Polygonum type is 8-nucleate and 7-celled: an egg and two synergids (egg apparatus) at the micropylar end, three antipodal cells at the chalazal end and a large central cell with two haploid polar nuclei. (The two polar nuclei often fuse before fertilisation to form a diploid secondary nucleus.)

Doubtly AI · 29 Oct 2026 AI-verified · Nov 2026 Report
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