The roaches of the fish world -sticklebacks, are the ideal animal in which to study the genes that control body shape. They've moved from the ocean into tens of thousands of freshwater streams and lakes around the world, each time changing their skeleton to adapt to the new environment. Breeding studies between marine and freshwater populations of sticklebacks now have turned up one of the genes that controls tooth number, plus evidence that a simple ...Thursday 18 September 2014
Counting Fish Teeth Reveals Regulatory DNA Changes Behind Evolution
The roaches of the fish world -sticklebacks, are the ideal animal in which to study the genes that control body shape. They've moved from the ocean into tens of thousands of freshwater streams and lakes around the world, each time changing their skeleton to adapt to the new environment. Breeding studies between marine and freshwater populations of sticklebacks now have turned up one of the genes that controls tooth number, plus evidence that a simple ...
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