One nucleus of the pollen tube and secondary nucleus of the
ovum grow into
a.Stigma
b.Endosperm
c.Anther
d.Stamen
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I hope you are understand
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Answer: i will tell stamen because
Explanation: pollen tube is a tubular structure produced by the male gametophyte of seed plants when it germinates. Pollen tube elongation is an integral stage in the plant life cycle. The pollen tube acts as a conduit to transport the male gamete cells from the pollen grain—either from the stigma (in flowering plants) to the ovules at the base of the pistil or directly through ovule tissue in some gymnosperms. In maize, this single cell can grow longer than 12 inches (30 cm) to traverse the length of the pistil.
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