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Your fundamental base DNA does not change. It does mutate and that mutation is passed down. Mutations are caused by different factors, environment being one of the main ones. That is called adaptation. :2 cents:
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http://en.wikipedia.org/wiki/Race_and_intelligence |
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You really have no idea about any of this stuff do you? Your DNA doesn't mutate after you're born, your DNA is the same when you're born and when you die. Adaptation isn't passed on to your kids. The way it works is if there are 100 men and 50 of them aren't hairy enough and don't have fast enough metabolisms then those 50 die and don't have children. The result is children that are hairy not because their parents adapted and passed that on to them but because of natural selection only the ones who could handle their environment survived. Over thousands and hundreds of thousands of years, different traits are selected for and passed onto future generations. The ones that don't possess those traits tend to die and the ones that do tend to live. That's how it works. Take your hypothetical hairy man - if the man's metabolism sped up and his hair grew thicker then those traits would have been passed onto his children regardless of if they came into use for him. But the point is he didn't change his DNA in a way to make his body produce more hair - that was part of him when he was born. When DNA mutates it's because of something like radiation. Every time your cells multiply they make a copy of the DNA and sometimes radiation and things like bad copies happen where one or two things is out of place. Sometimes that leads to things like cancer. Everyone in the world doesn't look the same because people are a product of two other people. Adaptation doesn't happen in a single generation. http://en.wikipedia.org/wiki/Evolution |
GFY and science don't get along well ...
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http://www.genome.gov/DNADay/q.cfm?aid=5716&year=2006 Quote:
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You have your points and I agree with some, but I feel like we're debating two different things so there really is no winner. We're in the same area, just not playing the same game. I'm not going to debate natural selection because I wholeheartedly believe it to be scientific fact. But we're talking about different things, would you respectfully agree? |
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http://blogs.star-telegram.com/inves...our-genes.html |
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makes sense, please continue 50 'gene 50' mutates |
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There's a time and place for everything....and referring to big black bucks while peoples families watching was ignorant... I really hope that you're not that ignorant and are just playing devil's advocate here. |
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You say that mutations occur and it becomes part of your DNA and then you give me a link to prove your point. Except the link says: Quote:
Someone inherits a trait by that trait being passed onto them from their parents. Over time, people with certain traits are more likely to survive and have children and that's how traits develop. The son of an alcoholic only gets that trait passed onto him because his father ALSO had that trait passed onto him by one of his parents, and if you follow the chain down far enough that same trait was introduced by natural selection for some reason or another. Just because you spent your life becoming a body builder it doesn't make your kid any better at becoming a body builder. The kid may get that gene that gives them the ability to become one and the ability to build muscle but it is the same gene that you had that let you do the same thing and it was passed onto you from your parents. When a DNA mutation happens it happens in a single cell, not all across the board on your body. Overall the DNA you are born with is the DNA that contains the code to everything in your life from birth - to death. Outside influences can affect that but they do not alter that code that was there when you were born. Quote:
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How the hell is that not offensive? Dude...... Just because something happened in history, it isn't ok to go saying it on TV in a situation like that. That would be like two people eating pizza on a show and one of them saying "you know the jews in nazi germany were cooked in ovens". What the hell does the fact it's a "true" or "historical" fact? It's still offensive as fuck. That dude deserved everything he got, that was probably one of the most offensive things ever stated on tv. |
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You are completely wrong. You're arguing that natural selection is how we evolved but in reality, it's the DNA that provides the boost that makes certain traits more desirable therefore providing the theory of natural selection any legs to begin with. Want me to write it out in crayon for ya? Would that help you understand my theory, big guy? Here you go, champ. Maybe digesting some Darwin, the father of the theory of natural selection will help you swallow the heaping doses of reality I'm spoon feeding you. http://en.wikipedia.org/wiki/Natural_selection "Natural selection is the process by which biologic traits become more or less common in a population due to consistent effects upon the survival or reproduction of their bearers. It is a key mechanism of evolution. The genetic variation within a population of organisms may cause some individuals to survive and reproduce more successfully than others. Factors which affect reproductive success are also important, an issue which Charles Darwin developed in his ideas on sexual selection." |
Another analogy.
dude1: Yeah this is blahblah fence, it's commonly used in blahblah type landscapes dude2: Isn't that the type of fence that queer in Minnesota was tied to and beaten to death? dude1: ......... dude2: What? There WAS a gay kid tied to a fence like this and beaten to death. It ACTUALLY happened, so it's cool for me to mention. Right Mutt... That would perfectly ok right? Since it is a historical fact, it did actually happen. Nothing offensive about it at all. Just a guy discussing an event that happened in history. |
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What did Jimmy The Greek actually say and do?
Seems he either used the term "big black buck" during a football commentary. Which is both offensive and unprofessional, and reason enough to fire him. Or he used the term "a big black" (which is still not right as black should be used as an adjective not a noun) 'privately' to someone at a restaurant, away from his job. The second scenario is quite a bit different from the first. As to the idea of owners "breeding" slaves (whether the idea makes sense or not)... as if slavery wasn't bad enough already. :disgust Ironically, despite how far the world has 'progressed', there are now more slaves today than at any time in history. :( |
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Why would we be perfect clones of each other? YOU are the one that doesn't understand. Mom and dad had sex. The result was YOU. YOU are some of your mom and some of your dad. THAT is where genetic variation happens. Natural selection IS how we evolved, that is what evolution is all about. YOU are saying that DNA changes throughout your lifetime when you yourself have read that it DOESN'T. Someone is big because their parents were big, not because their parents did a lot of physical activity. If I don't have the trait to be a giant body builder there is no way I'm going to pass that onto my kids no matter how much body building or steroids I take and no matter how big I get. |
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He's right though, white folks. |
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There are recorded historical instances of slave breeding based on genetic benefits.
No big deal. |
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