-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/15/07 09:21, Kent West wrote: > Mark Kent wrote: >> Which is the whole point, isn't it. The only important grouping here is >> that which can breed. Those which die off can *no longer* breed, so the >> improvement is in the *next generation* which have fewer of the >> defective or no longer useful gene/genetic characteristics. > Bingo!! The extinction event resulted in "fewer ... gene/genetic > characteristics". > > In order to develop "high-speed, high-maneuverability ducks with armored > protection on their skulls", you need the addition of new gene/genetic > characteristics.
Or recessive genes that (anthropomorphizing at bit) never got to express themselves. > That's all I've been trying to say: an extinction event wipes out genes; > it does not automatically create new ones. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFF+VjsS9HxQb37XmcRAg1dAKC2kKi1U7FykeOVu+VkDwsyzWddmACgqMRv THXxbBgau/mxL9urVYrmMo8= =Lcaa -----END PGP SIGNATURE----- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
