Friday, September 30, 2011

House Mice Mate With Related Species To Pick Up Poison Resistance

House Mice Mate With Related Species To Pick Up Poison Resistance

The European house mouse has become increasingly resistant to the poisons we use against them. It has been found that rodents have evolved this resistance with 10 different mutations in the gene that makes them suseptible to poison. Of those 10 mutations, while 6 are the rodent's own adaptations, 4 have been acquired by a cloe relative, the Algerian mouse found in northern Africa, Spain, Portugal & southern France. Although the two species separated 1.5 to 3 million years ago they can breed with each other & it is thought the Algerian mice transferred their resistance to the European mice in this way between 5 and 32 years ago.


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3 comments:

And people doubt evolution still!!

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Got another post coming up in future weeks showing evolution in action. Watch this space! :)

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