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Jacksparrow Comedian Username: Jacksparrow Post Number: 1146 Registered: 07-2008 Posted From: 89.234.93.245 Rating: N/A |
When the sperm of different male insects meet inside a female, they use everything from wrestling to chemical warfare to try and fertilize as large a share of her eggs as possible, according to two studies published this week. The studies also show that females don't just let the battle take its course, but manipulate it to their own ends. A US team has genetically engineered fruitflies to produce sperm that fluoresce in different colours. http://www.nature.com/news/2010/100318/full/news.2010.135.ht ml |