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fine. so how this kind of light detection evolved? we still need at least 2 -3 parts: a part that can detect light and a part that can translate it for the creature.
Poor scientists. All they have is facts.Scientists always get slaughtered cause they bring only facts to back their claims
Scientists always get slaughtered cause they bring only facts to back their claims
Really?Meant creation scientists only bring facts
But wouldn't the parallel evolution of two separate parts require that two lines of blind evolution to evolve so that those two parts will happen and fit together at the same time? That to me is a mighty big coincident. It would be like two people from opposite sides of the world buying the same jig saw puzzle without each other knowing it and then each completing only half the puzzle. They then bump into each other by accident and find that both had completed the exact opposite half that the other one had not so that when they were put together they perfectly matched up to make the complete puzzle with every piece in its place.Which is called the "nervous system," already present in the creature.
But I still don't understand why you see requiring two or more mutations to a problem. The parallel evolution of related biological systems is a well-understood phenomenon and does not pose a problem for evolution.
(As has been explained to you on numerous occasions.)
but we do know that we need at least 2 parts: a light detector and a translator system. so its base on things we know and not about things we dont know.I have no idea.
And if you think that this statement means it can't possibly have happened, then I'm not using a computer either, because I have no idea how a computer could work.
You know how evoution works, right? Randomly distributed variation followed by natural selection. Each "part" varies from individual to individual and natural selection favors the variation which works best. But the "natural" in natural selection is not just the environment external to the creature. It also includes related biological systems within the creature, such that a particular variation of part A which works well with a particular variation of part B will be selected, while a variation of part A which does not work so well with part B will not. So, no, it's not like two people working a puzzle on opposite sides of the world. It's like two people working a puzzle together.But wouldn't the parallel evolution of two separate parts require that two lines of blind evolution to evolve so that those two parts will happen and fit together at the same time? That to me is a mighty big coincident. It would be like two people from opposite sides of the world buying the same jig saw puzzle without each other knowing it and then each completing only half the puzzle. They then bump into each other by accident and find that both had completed the exact opposite half that the other one had not so that when they were put together they perfectly matched up to make the complete puzzle with every piece in its place.
You're saying you can't tell the difference between light hitting your skin versus some other source of heat? Seems odd to me that you can't, but also, that wasn't what I was saying. I was saying that a photoreceptor isn't the bare minimum necessary to detect light, even though you keep behaving as if it is.so we have a photoreceptor in every cell in our skin?
I was saying that a photoreceptor isn't the bare minimum necessary to detect light, even though you keep behaving as if it is.
but we do know that we need at least 2 parts: a light detector and a translator system. so its base on things we know and not about things we dont know.
If they were working on the puzzle together then that would mean they know each others moves and blind natural selection does not work this way according to neo-Darwinism. If a new feature needs more than one mutation to happen next to make a feature complete then the random mutations are not going to know that this is needed to mutate the right components step by step.You know how evoution works, right? Randomly distributed variation followed by natural selection. Each "part" varies from individual to individual and natural selection favors the variation which works best. But the "natural" in natural selection is not just the environment external to the creature. It also includes related biological systems within the creature, such that a particular variation of part A which works well with a particular variation of part B will be selected, while a variation of part A which does not work so well with part B will not. So, no, it's not like two people working a puzzle on opposite sides of the world. It's like two people working a puzzle together.
actually all the genes to digest citrate are already present in the genome of the bacteria
. as you can see in the image below, all we need is to move the citT gene near to the rnk promoter, so now the bacteria can digest citrate when oxygen is present:
so no- there is no evidence for evolution of a complex system here. as we can expect under the design model.
sure. why not? we just need one mutation to move it to the new location (near the rnk promoter)and one more mutation to reactivate or improve it. no new complex structue or function. just existing part that turn on in a new place in the genome.
You know starfish don't have brains, right? Have you seen their eyes?impossible stepwise. yep.
I believe that is the only correct statement in your entire post. Natural selection does not act on genetic mutations. It acts on variations in the phenotype. If a trait is going to evolve it must exhibit random phenotypic variation. That is, each new generation of the species presents a range of variants to the environment for selection. If a particular variant is needed, it must be already found in the population or evolution will not proceed.Natural Selection can only work with what it is given...
DNA was changed by a mutation and after the change a new feature became possible.
.
its not a new feature. is just a new variation of the same function.
Before the change, they could not digest citrate.
We need 1, at minimum, from a cell that can respond to heat.so we dont need mutations at all from non light detector into a light detector?
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