September 15, 2006 Audi is set to debut the first twelve-cylinder diesel engine in a series passenger car. A six-litre V12 will be available in the Audi Q7 that is reminiscent of the engine featured in the all-conquering R10 Le Mans racing car and it catapults the driving performance of the Audi Q7 SUV into the echelons of top-class sports cars.
Scientists now know that independent assortment of genes occurs  during meiosis in eukaryotes. Meiosis is a form of cell division  that lowers the number of chromosomes in aâ¦ parent cell by half to  make four reproductive cells called gametes.
How do they occur? Clusters of hives may appear as a reaction to an allergen such as food, medicine, or an insect bite or sting. Hives may also occur as a reaction to infection or emotional stress. Histamine, a chemical your body makes, is released in response to the irritant that causes the hives to form.