Scientists map genome of iconic beaver as gift for Canada's 150th birthday

Scientists have a gift for Canada as the country celebrates its 150th -- and as a birthday present, it's certainly unique. A team of molecular geneticists at Toronto's Hospital for Sick Children has sequenced the genome of the Canadian beaver -- Castor canadensis -- to mark the country's sesquicentennial. "The Canadian beaver had not been done, and we figured if anyone's going to do the Canadian beaver, it should be Canadian scientists, so we exert our dominion over the animal that is out national...

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