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In part, because it gives a way to “tag” a gene to make it visible without harming the animal. The research potential of the technique is limited only by the researchers’ imaginations. So much of animal research depends on having to sacrifice the animal at some point during the experiment; a technique like this makes it possible to make the observations without sacrificing the animal. Plus, observations of a couple animals over time are far more valuable than observations of several animals at a single time point.

I hope you are kidding, are you also in favor of killing babies for their stem cells? This messing with genetics like this is the road to hell. Where do you think this is going to lead to? Do you think these "researchers" will stop with puppies? Someone already said they have cloned humans. We have to stop these people from trying to play God. There will be serious consquences.

LOL, probably all the carbohydrates that you eat, are sourced from genetically modified plants.

I hope you are kidding, are you also in favor of killing babies for their stem cells? This messing with genetics like this is the road to hell. Where do you think this is going to lead to? Do you think these "researchers" will stop with puppies? Someone already said they have cloned humans. We have to stop these people from trying to play God. There will be serious consquences.

Excuse me, but you read a LOT into there that I did not say. Everything I said was about the use of animals in research, and I hinted at how techniques like this decrease the number of animals needed for research. Which is a win-win for everyone, in my book.

There is nothing new about altering the genetics of animals for research purposes. It's been done for years. This particular case was only noteworthy because a puppy brings in the cute factor. Making genetically altered animals is a fairly trivial (albeit time-consuming) technique for anyone with my level of education.

Oh, I was about to post this without answering your question. Where I think this will eventually lead is to cures for diseases that we do not have good ways of treating yet. Like treatments for heart disease that are far more effective than the rather limited techniques we have now.

“We have to stop these people from trying to play God. “

I understand the concern. THey are messing with stuff that could cause disease that we have no cure for. But, they will do it somewhere. If we stop it, they will find a country that wants the possible advantages, without the restraint, and then we’ll have big problems.

They can’t play God. He does His creations out of nothing. These scientists are only altering God’s creation.