NEETReproduction in OrganismHard
Question
A diploid female plant and a terraploid male plant are crossed. The ploidy of endosperm shall be
Options
A.tetrapoid
B.triploid
C.diploid
D.pentapliod
Solution
Endosperm is a nutritive tissue formed from vegetative gamete with the diploid secondary (Fusion) nucleus, it is generally yriploid formed after triple fusion in angiosperms. Since, in the given case, male plant is tetraploid, so the gametes produced will be diploid. The fusion of a diploid (2n) male gamete with two haploid polar nuclei or diploid secondary nucleus (2n) will lead to formation of endosperm which is tetrploid (4n) in nature.
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