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Question
In a hypothetical crossing, an angiospermic male plant has 2x chromosomes and the female plant has 4x chromosomes. Its endosperm will have ______ chromosomes.
In a hypothetical crossing, an angiospermic male plant has 2x chromosomes and the female plant has 4x chromosomes. Its endosperm will have ______ chromosomes.
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Solution
The correct option is B 5x
Female plant → 4x
Central cell → 2x + 2x (Fusion of polar bodies)
Male plant → 2x
Male gamete → 1x (haploid)
Endosperm = Central cell + Male gametes
= 2x + 2x + 1x
= 5x
Female plant → 4x
Central cell → 2x + 2x (Fusion of polar bodies)
Male plant → 2x
Male gamete → 1x (haploid)
Endosperm = Central cell + Male gametes
= 2x + 2x + 1x
= 5x
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