Cross-fertilization.
A salmon embryo gets a dose of immature trout reproductive cells. Credit: Science
Japanese researchers have taken a step closer on surrogate parenting as they engineered one fish species to produce another, in a quest to preserve endangered fish.
The new method is "one of the best things that has happened in a long time in bringing something new into conservation biology," said University of Idaho zoology professor Joseph Cloud, who is leading the U.S. government-funded sockeye project.
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