[quote=darkwolf687]
Writing your inclinations in your DNA? Since when did the Equestrians have a genetic memory? Also, as there is a spell which can give magic, it seems that giving magic doesn't actually need Fausts consent or interference, thus meaning anyone could potentially have magic.
[/quote]

Well some of there memories and other things are in there DNA. The rest is in there souls.

And while yes it doesn't require Faust's consent, she is still perfectly capable of stripping it away from anyone at any time.