Question

Difference between egg nucleus and endosperm nucleus

Answer 1

Double fertilization. ... One sperm nucleusfertilizes the egg cell, forming a zygote, while the other sperm nucleus usually fuses with the binucleate central cell, forming a primaryendosperm cell (its nucleus is often called the triple fusion nucleus).

Answer 2

One sperm nucleus fertilizes the egg cell, forming a zygote,  

while the other sperm nucleus usually fuses with the binucleate central cell, forming a primary endosperm cell.