[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: beaks and teeth
>Wasn't there an report a while back about >producing teeth in chickens?
>This would mean the genes for this lasted all that >time. I suppose they
>could have lain dormant in birds for millions of >years, but I wonder if
>they didn't get expressed now and then.> [...]RIch
How about "egg teeth"? I've always assumed that they were an old trait that
now had a different purpose. Are "egg teeth" even the same kind of structure
as actual teeth or are they some sort of psuedo tooth?
-Sherry Michael
Friends:please note my email address has changed!
_______________________________________________________
Get your free, private email at http://mail.excite.com/