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Creationists: Explain your understanding of microevolution and macroevolution

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Hans Blaster

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Dodging the question, again?
 
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Alan Kleinman

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Well if you don't like that one, what are the five examples you find so valuable?
The best-measured examples in controlled experiments are of course the Kishony and Lenski experiments, you know, the experiments you can't explain. Then there is the combination therapy for the treatment of HIV and all the measured clinical success in suppressing the adaptive evolution of this virus. Then there are the many examples of the successful use of combination herbicides, pesticides/insecticides in suppressing the evolution of adaptive evolution. Don't forget the use of combination therapy for the treatment of cancer, something that will probably be necessary for the successful use of targeted cancer therapy. Now, find a real, measurable, and repeatable example of adaptive evolution that doesn't work the way math I've presented. You won't.
 
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Hans Blaster

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None of these are in humans. The question was about adaptive mutations in humans.
 
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Alan Kleinman

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When are you, your basic argument was shot down 50 years ago.
You must have missed Edward Tatum's 1958 Nobel laureate lecture:
The Nobel Prize in Physiology or Medicine 1958

You really need to expand your reading list beyond your so-called "on topic" journals. It was Edward Tatum's observation that made me aware of the effect of the multiplication rule on adaptive evolution. And that was more than 50 years ago.
 
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Alan Kleinman

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It is still not clear to me. Which came first, lactase persisters or those who can't produce lactase as adults.
 
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Alan Kleinman

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Dodging the question, again?
What question? Detrimental mutations occur and someone who is a lactase persister can have an offspring with a mutation that prevents them from being a lactase persister. Is this your idea of adaptive evolution?
 
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Subduction Zone

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Do you speak chimpanzee? Perhaps they can explain to you how DNA adaptive microevolution works.
More ducking and dodging. You already admitted that you only have an ad hoc explanation, though you do not know it. And those are worthless in the world of science.
 
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Ponderous Curmudgeon

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It is still not clear to me. Which came first, lactase persisters or those who can't produce lactase as adults.
Would you like to explain the microevolution of lactase persistence? Let us see how your explanation lines up with evidence.
 
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Alan Kleinman

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None of these are in humans. The question was about adaptive mutations in humans.
All the mathematical and empirical evidence gives that there were about 1 billion humans that lived before 10,000 years ago. From 10,000 years to today, about 99 billion people of which about 7 billion are alive today. That's the population size you have to work with to give a lineage that accumulates a set of adaptive mutations. If you believe that humans and chimpanzees evolve from a common ancestor, what mutations could account for the difference? Why can humans do industrial agriculture, build aircraft, make computers,... and chimps cannot? What mutations account for this?
 
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Alan Kleinman

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More ducking and dodging. You already admitted that you only have an ad hoc explanation, though you do not know it. And those are worthless in the world of science.
Don't forget, I have the mathematical and empirical evidence. Of course, you don't understand the math.
 
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Ponderous Curmudgeon

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Don't forget, I have the mathematical and empirical evidence. Of course, you don't understand the math.
No Alan, you don't, as I tried to explain to you the reason nobody takes your math seriously is that it does not extrapolate from the very limited circumstances that you used to generate it. It is not us that does not recognize the dangers of extrapolation.
 
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Alan Kleinman

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Would you like to explain the microevolution of lactase persistence? Let us see how your explanation lines up with evidence.
That's not difficult, if individuals have the genetics for lactase persistence, they will pass on those genes to their offspring with a probability of mutations in that gene equal to the mutation rate for a single replication. If there are a billion replications and the mutation rate is 1e-9, there will be on average one individual in that population with a mutation in one site in that gene. If there are 500 bases in that gene, there will be on average 500 individuals in that population of a billion with a mutation in one of the sites in that gene. Now, if you apply Edward Tatum's principle and compute the probability that one of those 500 individuals also gets a sickle cell trait mutation, you have to use the multiplication rule.
 
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Alan Kleinman

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I'm not doing extrapolation, if I were, you could post an empirical example that contradicts this math, you don't.
 
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Ponderous Curmudgeon

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How old is the earth? How long have humans been living in Africa vs Europe? Is it possible that these genes could evolve separately and recombine later or do you still think they must me multiplicative. Are you a homeschooled virgin?
 
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Hans Blaster

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Do you know *where* lactase persistence and the sickle cell trait are found? (Hint: It's not the same place.) Why should we multiply the probabilities of those traits if the are established in different populations?
 
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Alan Kleinman

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How old is the earth? How long have humans been living in Africa vs Europe? Is it possible that these genes could evolve separately and recombine later or do you still think they must me multiplicative. Are you a homeschooled virgin?
I'll leave the speculation to the believers in macroevolution. I'll stick with real, measurable, and repeatable experimental evidence. The evolution of drug resistance is too important a topic to be left to speculators.
 
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Alan Kleinman

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Do you know *where* lactase persistence and the sickle cell trait are found? (Hint: It's not the same place.) Why should we multiply the probabilities of those traits if the are established in different populations?
Do you think that the joint probability of those mutations being on an individual is not computed using the multiplication rule?
 
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Hans Blaster

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Do you think that the joint probability of those mutations being on an individual is not computed using the multiplication rule?

If joint probability is the appropriate concept, of course, but have you shown that it is appropriate here?
 
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Ponderous Curmudgeon

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Do you think that the joint probability of those mutations being on an individual is not computed using the multiplication rule?

Well for the sake of the argument, yes they are, Punnett square, but that is not the multiplication rule you are trying to use.
 
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Alan Kleinman

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If joint probability is the appropriate concept, of course, but have you shown that it is appropriate here?
If they are particular mutations, yes, the multiplication rule must be used.
 
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