The ploidy of the aleurone cellwhen a "4n" female plant is crossed with"2n" male plant is.....

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Please find below the solution:

A 4n female will produce 2n gametes and a 2n male plant will produce 1n gametes. Two male gametes and one female gamete are required to form the endosperm. This means the ploidy of resulting endosperm will be 4n (1n+1n+2n) and since the aleurone layer is a part of endosperm, its ploidy will also be 4n (tetraploid).

Hope this information clears your doubt regarding the topic.

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