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3. that the duplicate gene gets spread through the species at chances of 50% survival at each generation (note no selective advantage since the gene is just a duplicate at this point).

It bears repeating - sometimes enhanced levels of a gene product can enhance survival. Remember the bacteria in xylose. At that point you are cleared for takeoff.

3. that the duplicate gene gets spread through the species at chances of 50% survival at each generation (note no selective advantage since the gene is just a duplicate at this point). -me-

It bears repeating - sometimes enhanced levels of a gene product can enhance survival. Remember the bacteria in xylose. At that point you are cleared for takeoff.

There may be a few cases where two exact same genes are beneficial, but I doubt it happens very often. First of all, you must realize that a gene is not 'on' all the time. So leaving it on a little longer can do the job just as well almost all the time rather than having two identical genes (see the article I quoted from regarding chimps and humans on gene expression a few posts back). So this is not usual and cannot be helpful in the vast majority of cases. Again, we must refer also to #6 in post# 1605. A gene to work has to get linked to the rest of the organism. This is a big problem, perhaps the biggest problem for evolutionists and a problem which those 'fools' who preceded Darwin were well aware of but did not have the means of proving. Now the proof has been found.