What is the function of the polar nuclei in an embryo-sac?
What is the function of the polar nuclei in an embryo-sac?
Produce an egg cell
Enclose ovules
Assist in fertilization
Produce a diploid secondary nucleus
Solution
The polar nuclei in an embryo-sac eventually fuse to produce a diploid secondary nucleus, which is necessary for the development of the endosperm, the tissue that nourishes the developing embryo.