Question

in angiosperms, two male gametes contained within a single male gametophyte participate in fertilization. one sperm nucleus combines with the egg to produce a diploid zygote, and the other sperm nucleus combines with two other haploid nuclei of the female gametophyte. this process is called

Answer 1

double fertilization

Step-by-step explanation:

Of the two sperm cells, one sperm fertilizes the egg cell, forming a diploid zygote; the other sperm fuses with the two polar nuclei, forming a triploid cell that develops into the endosperm. Together, these two fertilization events in angiosperms are known as double fertilization.