Degeneration

This truly is an FCP question:
"Since you are going through an S-Video cabel (YC-luminence and color) you will be losing a generation of video because: Digital-Analog-Digital. One of the beautiful things about staying in the digital realm is the ability to avoid "stepping" on your material and losing a generation during transfers.
However, it doesn't mean it will look bad. I've known some videographers that would take DV material and blow it over to analog betacam because it would soften the edges. It really depends on which look you are after."
--from Panoramicus answering part of a question I had yesterday on this forum. . .
OK, I know this question may seem elementary, but up until now, I have had a lot of helpers with the technical end of my projects. Now with some new projects coming up I am working more independently, and have some gaps in my knowledge.
I know that older video to video there was degeneration, and definately in film, shooting layers of film, there was degeneration, but I really thought with digital, tranferring ditigal information was clean. Exact. Is this not so?
Thanks for your time.
J

OK, thanks, all of you, for spending the time,
I think I need to ask this in steps to arrive at an understanding. Referring to JC writing, "But, rereading your post, what exactly is the question?"
If I want to make a digitally indentical recording on a mini-DV tape from another mini-DV tape, and the blank tape (soon to be the copy) is in one camera (Sony DCR-VX2000) and the original tape is in another camera (Panasonic AG-DVX-100B), don't I connect the two cameras with an S video cord that has prongs on both ends? And then push play on the Panasonic and record on the Sony?
And then, I thought that the S video cord described above was the preferred transfer, as opposed to a fire wire. . .
Perhaps the cord I am thinking of is not analog at all, what do you think?
It has prongs on both ends and fits into the S video outlet on both cameras. . .
OK that is the first question (these steps all lead to how I am going to get all of this onto a Mac laptop to edit w/FCP in a remote location).
Thanks,
J

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