Start by looking here.
You can see that apparently Karin was "born", assumingly in the lab. Now we know that she might of been created by Orochimaru, probably with Kushina cells.
Next, we know that Shin was apparently created by Orochimaru too, and Karin might of been made the same way.
So is it not possible that Karin could be made this way too? And if she really is the mother of Sarada, then she would be a hybrid of Sasuke + whatever Shin is.
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You can see that apparently Karin was "born", assumingly in the lab. Now we know that she might of been created by Orochimaru, probably with Kushina cells.
Next, we know that Shin was apparently created by Orochimaru too, and Karin might of been made the same way.
You must be registered for see images
So is it not possible that Karin could be made this way too? And if she really is the mother of Sarada, then she would be a hybrid of Sasuke + whatever Shin is.