IUBio

B-Cells - Why one specificity?

mark mark.haynes at mail.tju.edu
Thu Dec 18 13:45:03 EST 1997


Bernhard Kleine wrote
<<SNIP>>
> Coming back to the Why-one-specifity-question I feel that this type of question implies that the
> evolutionary process aimed at rearranging just single immunoglobulin per cell (teleology). Such a
> thinking is fundamentally wrong IMHO. The only answer to the question is: because it had happened
> that way. Or do you really think that individual mutations, gene duplications, gene conversions etc.
> all happened to achieve finally the goal of a single Ig receptor on a B cell. You would be seing
> GOD's hand pulling away one base and substituting it with a wrongly paired one. Nice cartoon BTW.
> 
> I think scientifically sound questions should be solved in a scientific way. I am eager to discuss
> this issue further. 
HI,  I just don't get it. Why does an apple fall to the ground, is 
equivalent, IMO, to what caused an apple to fall to the ground.  I 
realize that one interpretation of why is purpose but the semantics is 
killing me.  How did life begin, why did life begin?
              
just kidding!markH



More information about the Immuno mailing list

Send comments to us at biosci-help [At] net.bio.net