Double fertilization
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Double fertilization or double fertilisation is a complex fertilization mechanism of angiosperms. This process involves the fusion of a female gametophyte or megagametophyte, also called the embryonic
Double fertilization
Gametophyte
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A gametophyte is one of the two alternating multicellular phases in the life cycles of plants. It is a haploid multicellular organism that develops from a haploid spore, that has one set of chromosome
Double fertilization
…or double fertilisation (see spelling differences) is a complex fertilization mechanism of angiosperms. This process involves the fusion of a female gametophyte or megagametophyte, also called the embryonic sac, with two male gametes (sperm). It begins when a pollen grain adheres to the stigmatic surface of the…
Pine gametophyte (outside) surrounding the embryo (inside)