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Question
A diploid female plant is crossed ivith tetraploid male. The ploidy of endosperm will be ______.
Options
tetraploidy
triploidy
pentaploidy
diploidy
MCQ
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Solution
A diploid female plant is crossed ivith tetraploid male. The ploidy of endosperm will be tetraploidy.
Explanation:
The female plant contributes two haploid polar nuclei, each with one chromosome set, and the tetraploid male contributes a sperm nucleus with two sets. Their fusion forms a tetraploid endosperm nucleus.
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