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When did evolution begin?
- Thread starter OldWiseGuy
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justlookinla
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"I believe we can adapt but not evolve in the sense that is being argued."--jimbohank
Your words. Why do you believe that?
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The adaptation we are talking about takes place over several generations, not in a single generation.
So why don't you believe that life can evolve?
Would you agree that mutations can change the amount of hair that someone has compared to their ancestors?
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We are primates. We evolved from earlier primates, if that is what you are asking.
This generation of Chihuahuas evolved from Chihuahuas. Ancestral Chihuahuas evolved from earlier dogs, and Chihuahuas are still dogs. Same thing for humans and primates.
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Most of those are due to splits in the early embryo, not mutations in the genome. Also, it doesn't have anything to do with what we are discussing since a four legged primate is not needed during the evolution of humans from a common ancestor shared with other primates.
Do you agree or disagree that mutations can cause a change in physical appearances?
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Everyone is born with as many as 50 mutations.
"Here we present, to our knowledge, the first direct comparative analysis of male and female germline mutation rates from the complete genome sequences of two parent-offspring trios. Through extensive validation, we identified 49 and 35 germline de novo mutations (DNMs) in two trio offspring, as well as 1,586 non-germline DNMs arising either somatically or in the cell lines from which the DNA was derived."
http://www.nature.com/ng/journal/v43/n7/full/ng.862.html
They were able to show this by sequencing the genomes of parents and their children. They found changes in the DNA of children that were not found in the parents. This is true of every single person in every single generation.
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