The cell of Dryopteris, prothallus contain nucleus with

4 n chromosomes

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3 n chromosomes

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2 n chromosomes

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n chromosomes

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Solution

The correct option is D n chromosomes
Prothallus is the self supporting haploid plant of the gametophytic generation and is concerned with sexual reproduction. Prothallus is generally monoecious and bears sex organs on the ventral side.

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