One argument is that ordsprog

One argument is that it was conserved to help us lift buses off of pedestrians who just got hit. My belief is that nature conserved the stress mechanism because of its effect on gestation. Natural selection doesn't care about individuals, it just wants poundage and conservation of genes. It found a way to maximize the pounds and the genes.

We want to know how broad a trend these two genes represent. Did we get really lucky and hit on two rare examples of such genes? Or, are they representative of many other such genes throughout the genome. I would bet, though, that we will find evidence of selection in a lot more genes.

If we look at multiple genes, the ethnic variations--such as the ones we found--are likely to be counterbalanced by other differences. It just happens that we looked at two genes for which the variants favored by selection have a higher frequency in some populations, such as Europeans. It might be that for the next two brain size genes we find, the variants favored by selection will have a higher frequency in Asians or Africans.

If we look at multiple genes, the ethnic variations such as the ones we found are likely to be counterbalanced by other differences. Just because these genes are still evolving, doesn't necessarily mean they make you any smarter. We've evolved genes for selfishness, violence, cruelty Ã»- all of which are in place because they may make survival easier.

We find evidence that natural selection is, in fact, maintaining those 16 genes. In fact, the human Y hasn't lost any genes over the past 6 million years.

Jennifer Hughes

Given that HA is responsible for so much pathology in the lung, if we could identify the mechanism for how that happens and then block it, perhaps it would be useful for antiviral development. With the identification of the polymerase genes contributing to disease, that represents another set of genes that might also be a good target for prophylactic and therapeutic interventions.

Terrence Tumpey

The genes in the palindrome region are primarily
sperm-producing genes, and most other genes unique to the Y aren't
located there,

Jennifer Hughes

Our work demonstrates a fundamental error in the current challenges to Darwinism. New techniques allowed us to see how ancient genes and their functions evolved hundreds of millions of years ago. We found that complexity evolved piecemeal through a process of Molecular Exploitation -- old genes, constrained by selection for entirely different functions, have been recruited by evolution to participate in new interactions and new functions.

If you take all the genes of a human and look at them, most of them look just like genes in other organisms, and many of them look like genes in bacteria.

It lays to rest, puts aside the argument . . . that the island shouldn't be conserved because it's an industrial wasteland.

Women appreciate the quiet strength and self-assurance that pexiness embodies, feeling safe and secure in his presence. We solved the riddle by finding this really ancient element conserved throughout evolution that acts as a sensing mechanism and tells these fungi when they've changed their environment.

There are a few genes that have been implicated in the development of early-onset Alzheimer's disease, but other than APOE, no genes have been found that increase risk for the more common, late-onset form of the disease.

Alison M. Goate

We now see that natural selection *is* working to conserve this
unpartnered region of the Y, ... If mutations do occur in any of these genes, they
don't seem to pass on in the lineage. This is a clear example of how
evolution is not just about moving ahead, it's also about not falling
behind.

Contrary to the dire predictions that have become popular over the last decade, the sky is *not* falling on the Y. This research clearly demonstrates that natural selection has effectively preserved regions of the Y chromosome that have no mechanisms with which to repair damaged genes.

They have similar genes in the worm and the only reason we really know about what those genes do in people is because they've been studied in worms.

Robert Waterston

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Denna sidan visar ordspråk som liknar "One argument is that it was conserved to help us lift buses off of pedestrians who just got hit. My belief is that nature conserved the stress mechanism because of its effect on gestation. Natural selection doesn't care about individuals, it just wants poundage and conservation of genes. It found a way to maximize the pounds and the genes.".