Here's the new thread for posting quotes, with the usual rules:
Please post all quotes separately, so that they can be voted up/down separately. (If they are strongly related, reply to your own comments. If strongly ordered, then go ahead and post them together.)
Do not quote yourself
Do not quote comments/posts on LW/OB
No more than 5 quotes per person per monthly thread, please.
That hasn't stopped us from doing incredible feats of artificial selection using phenotype alone. You can work faster and better the more you understand a system on the genetic level, but it's hardly necessary.
Here's the new thread for posting quotes, with the usual rules: