[tacticalogic]

But in real life, it doesn't work that way. In real life, if you ever lose the tiniest bit of some complex trait, neither you nor any descendant of yours will ever see it again.

Source?

[muawiyah]

Used to be the correct scientific belief that if you lost a trait, you lost it and couldn’t get it back. Turns out that’s generally not true ~ epigenitic research reveals that genes can get turned off, and turned back on later. That’s how you get chicken with teeth!