What is the role of the primary endosperm nucleus (PEN) in pollination?
What is the role of the primary endosperm nucleus (PEN) in pollination?
To provide nourishment to the developing embryo
To fuse with the egg cell
To develop into endosperm
To guide the pollen tubes to the ovules
Solution
The primary endosperm nucleus is the one that is formed by the fusion of two polar nuclei in the embryo sac of seed by the haploid sperms.The sperm that fuse with polar nuclei is the second sperm, first sperm fuses with the egg cell or ovum to form Zygote.