what do you mean by triple fusion?
class 12th CBSE Biology sample paper
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It is a fusion involving two polar nuclei and a sperm nucleus...
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One of the male gametes fuses with secondary nucleus. As secondary nucleus also form by the fusion of two haploid polar nuclei, therefore , resultant is the fusion of three haploid nuclei ( 1 male gamete nucleus + 2 polar nuclei present in the centre of embryo sac) and the processes in an ovule.
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