What are some of the advantages of double fertilization?

The main advantage present in the double fertilization of angiosperms is energy conservation. The endosperm formed by fusion of the two polar nuclei and a sperm only begins to develop and store nutrients after it has been fertilized by a sperm cell. read more

Today, double fertilization and endosperm are considered traits of flowering plants. Benefits. Double fertilization added another reproductive advantage for the flowering seed plants. Now, in addition to the extra protection afforded by the seed, seedlings had a food supply right in the seed with them. read more

Double fertilization is a case where two sperms are known to fertilize single egg and this has rarity level of about 1% of the human conceptions. An embryo created this way doesn't usually survive, but a few cases are known to have made it — these children are chimaeras of cells with X and Y chromosomes. read more