CBSE - X - Biology
in fertilization of flowering plant.. the pollen tube divide into two nucleus .one fuse with egg cell and another fuse with two ploar nuclei ..soo what is this two polar nuclei ..
These polar nuclei are the haploid cells present at the centre of the egg apparatus. These nuclei fuse with the one of the male gametes to form triploid endosperm which provides nourishment to the developing embryo.
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