It is motile and is produced in an antheridium, except in certain gymnosperms (e.g.Cycas, Ginkgo) in which antherozoids develop from the generative cells of the pollen tube.
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- 除了在一些由花粉管的生殖细胞产生配子的裸子植物中(铁树Cycas,银杏Ginkgo),通常是由精子器产生的并且会游动。