Re: Lactose



Mario Petrinovic:
<gregory.cochran@xxxxxxxxx>:
We didn't have to rely on a molecular clock. Burger et al, in
PNAS, checked some skeletons from northern Europe, 7000-8000 years
old (archeologically and/or carbon dated). None of them had the
13.910*T allele.

Ok, finally some real conversation.
So, you believe that this specific allele does that, and in just
the specific way you expect it do that.
How it does that?
They "prove" that something do that by seeing if some allele is
present or not. Gee. I encountered situations where they initially thought
that some allele is for sure for some job, but when they did a real
research
on it, they found out that it only remotely affects some condition.
Also, there is evolution still present. At that time, maybe it was
achieved in some other way. At this place maybe people did it differently.
If olders ate milk (that way), what were children eating.
In other words, this thinking is pretty unreliable. First you have
to know exactly how some mechanism works. Those geneticians don't know
that. They just know iof some gene is present or not, in a condition they
don't fully understand. All this gene business is still too superficial.
But it doesn't stop superficial people in their greed to achieve "BIG"
goals by fastly revealing the truths of life. Of course, I am not
surprised when they find out that they were wrong all the way.
So, those two are "sure" that this allele is for exactly this, and
they are sure that this way was all the way in the past. But they are not
sure how exactly all this works.
I don't rely on genetics. Whoever relies on genetics, encountered
numerous problems. I don't rely on much more obvious things than genetics,
because those things also sometimes don'tt work like expected. You rely on
that. Well, be prepared for surprises. -- Mario Petrinovic

IOW, it looks like you can fairly fastly GAIN that gene. And, you
can lose it. If your kind, for some time lives in an area where you have to
complement your diet with milk, you can GAIN that gene, if your kind leter
goes to some other area, they can lose that gene. Simple as that. You think
they cannot? Hm. Are you sure? I am not (though, I don't know much about
that gene bussines anyway). I tend to KNOW what I know.
So, you are telling me that nature produced a perfect solution in just 7000 - 8000 years? Hm, well, a good CREATION. This doesn't happen so fast out of nothing.
After all, doesn't this actually only prolonges lactation? So, wouldn't it be normal that you can gain this fatsly? When you gain it out of the need, when that need goes away, you can easily lose it, since you can gain it fasly back again. -- Mario Petrinovic

.



Relevant Pages

  • Re: Modern synthesis on Wikipedia - what is it ?
    ... genetics and evolution? ... evolve by changes in gene frequency brought about by random genetic ... Give me the formal definition of what is a phenotype and what is an ... Take a gene and show mere on this gene exactly is the "allele" ...
    (talk.origins)
  • Re: Why dont mitochondria have junk DNA?
    ... wherever its coding gene happens to be located. ... >>>is arguing that functional genes were not preserved by selection. ... >> inserting into the nuclear genome of an individual specimen. ... >> initial mutational event resulted in essentially a new allele in the ...
    (talk.origins)
  • Re: Modern synthesis on Wikipedia - what is it ?
    ... genetics and evolution? ... evolve by changes in gene frequency brought about by random genetic ... Give me the formal definition of what is a phenotype and what is an ... For Pete's sake, an allele is a version of a gene, like an allophone ...
    (talk.origins)
  • Integrity
    ... Every gene in the genome has the same IBD relatedness ... one allele in one genome may not be ... Hamiltonian heuristic rb fitness ...
    (sci.bio.evolution)
  • Re: Bet Hedging, Risk Aversion, Sex, and the Unit of Selection
    ... I would have thought that bet hedging only makes sense if>> the unit of selection is the organism, ... The species maintains polymorphism so that it can>> respond to environmental changes, even though this sacrifices some>> individual fitness - The Selfish Gene Pool. ... > Consider a sexual species with several loci with alleles A and a at> one, B and b at another, etc. Consider NS from the viewpoint of our> focal allele A, which is engaged in a long term struggle for world> domination with its enemy,> the allele a. ...
    (sci.bio.evolution)