Archive
14th of March 2017
Biology
Q:

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 ..

Adil Khan - CBSE - Class X

Saturday, March 11, 2017 at 18:25:PM

A:

Hi Adil,

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.

Tuesday, March 14, 2017 at 17:31:PM