What is the Typical Ploidy of Endosperm Cells in an Angiosperm

Question

What is the typical ploidy of endosperm cells in an angiosperm seed?
A) 2n
B) 3n
C) 4n
D) n

Accepted Answer

The typical ploidy of endosperm cells in an angiosperm seed is 3n (triploid). This occurs as a result of the fusion of one sperm cell with two polar nuclei in the embryo sac during double fertilization.