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(B) Pollination is the transfer of pollen grains from the anther to the stigma of a flower.$1$. Autogamy involves the transfer of pollen grains from t

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Xenogamy

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(B) Pollination is the transfer of pollen grains from the anther to the stigma of a flower.$1$. Autogamy involves the transfer of pollen grains from the anther to the stigma of the same flower,resulting in genetically identical offspring.$2$. Geitonogamy involves the transfer of pollen grains from the anther of one flower to the stigma of another flower on the same plant. Genetically,it is similar to autogamy because the pollen comes from the same plant.$3$. Xenogamy involves the transfer of pollen grains from the anther of one flower to the stigma of another flower on a different plant of the same species. This brings genetically different types of pollen grains to the stigma,leading to cross-pollination.Therefore,$Xenogamy$ is the only type of pollination that brings genetically different pollen grains to the stigma.

This is the only type of pollination which during pollination brings genetically different types of pollen grains to the stigma.

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