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Question
Explain the process of syngamy and triple fusion in angiosperms.
Explain
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Solution
They germinate and produce the pollen tube that enters the ovule through the style when the pollen grain lands on the stigma. The pollen tube then releases two male gametes after entering one of the synergids. One of the two male gametes merges with the egg cell’s nucleus to form the zygote in the process. It is referred to as syngamy. To create a triploid primary endosperm nucleus (PEN), the other male gamete joins forces with the two polar nuclei found in the central cell. Triple fusion gets its name from the fact that it involves the merging of three haploid nuclei.
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2019-2020 (March) Delhi Set 2
