Researchers have succeeded in making salmon couples give birth to trout.
It has previously been shown that male salmon could be injected with cells from closely-related trout to produce viable trout sperm. When the sperm were introduced to trout eggs, healthy trout offspring were produced (see ' Salmon give birth to trout').
Now the researchers have taken the work a step further, showing that salmon can be not only the biological fathers but also the mothers of trout offspring.
Read this Exciting paper here: http://www.nature.com/news/2007/070910/full/070910-11.html
(In case you can not access Nature, you can send a request for a copy to me at - hotbacteria [at] gmail [dot] com. I have it on my disk).
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