Biologists Discover Gene Behind 'Plant Sex Mystery'
Thursday, October 23, 2008 - 10:28
in Biology & Nature
An enigma -- unique to flowering plants -- has been solved by researchers from the UK and South Korea. Scientists already knew that flowering plants require not one, but two sperm cells for successful fertilisation. The mystery of this 'double fertilization' process was how each single pollen grain could produce 'twin' sperm cells.