Invasion of the Hybrids

Elie Dolgin • November 8, 2008

The sticklebacks of coastal B.C. are ideal for studying natural selection in action — but now crayfish and crossbreeding are threatening to eliminate evolutionary scientists’ favorite fish.

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Clock face, DNA strand and assortment of animals: dolphins, deer, bears, whale, baboon
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Yellow rings of DNA amidst white chromosomes
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