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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Evolutionary debate
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<blockquote data-quote="lucaspa" data-source="post: 54632860" data-attributes="member: 4882"><p>The reason you pets did not "evolve" is because <strong>evolution happens to populations, not individuals!</strong> Think about it. We die with the same alleles (forms of genes) that we are born with. </p><p> </p><p>The genetic composition of <strong>populations</strong> change over generations. That is, after many generations some alleles will be lost and new ones gained.</p><p> </p><p>And yes, this has been observed in real time in organisms that have short generation times. Drosophila has been a good experimental animal because their generation is only 1 week. So new species of Drosophila have been observed over 50 to 2500 generations.</p><p> </p><p>Some parts of the fossil record are fine enough that we can trace transitional <strong>individuals</strong> from generation to generation to the formation of new species to new species to new species so that we observe the formation of new genera, families, orders, and even classes. I used to have post of some of these sequences. Let's see if it still works:</p><p><span style="font-family: 'Arial'">http://www.christianforums.com/t43227</span></p></blockquote><p></p>
[QUOTE="lucaspa, post: 54632860, member: 4882"] The reason you pets did not "evolve" is because [B]evolution happens to populations, not individuals![/B] Think about it. We die with the same alleles (forms of genes) that we are born with. The genetic composition of [B]populations[/B] change over generations. That is, after many generations some alleles will be lost and new ones gained. And yes, this has been observed in real time in organisms that have short generation times. Drosophila has been a good experimental animal because their generation is only 1 week. So new species of Drosophila have been observed over 50 to 2500 generations. Some parts of the fossil record are fine enough that we can trace transitional [B]individuals[/B] from generation to generation to the formation of new species to new species to new species so that we observe the formation of new genera, families, orders, and even classes. I used to have post of some of these sequences. Let's see if it still works: [FONT=Arial]http://www.christianforums.com/t43227[/FONT] [/QUOTE]
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