Intelligent Design, the best explanation of Origins

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Intelligent Design, the best explanation of Origins » Theory of evolution » Mechanisms of Microevolution

Mechanisms of Microevolution

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1 Mechanisms of Microevolution on Mon Dec 09, 2013 9:46 am

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Mechanisms of Microevolution

Microevolution  does not involve increasing complexity. It involves changes only in size, shape, or color, or minor genetic alterations caused by a few mutations. Each example of macroevolution would require thousands of “just right” mutations. Microevolution can be thought of as horizontal (or even downward) change, whereas macroevolution, if it were ever observed, would involve an upward, beneficial change in complexity.  Therefore, microevolution plus time will not produce macroevolution.

Creationists and evolutionists agree that microevolution (and natural selection) occur. Minor change has been observed since history began. But notice how often evolutionists give evidence for microevolution to support macroevolution. It is macroevolution—which requires new abilities and increasing complexity, resulting from new genetic information—that is at the center of the creation-evolution controversy.


https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4673968/
https://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-10-155
http://journals.plos.org/plosgenetics/article?id=10.1371%2Fjournal.pgen.1004296
http://news.mit.edu/2016/scientists-illuminate-hidden-gene-transcription-regulator-0526
https://medicalxpress.com/news/2013-10-insight-human-unique.html#nRlv



Last edited by Admin on Wed Jan 25, 2017 7:55 pm; edited 2 times in total

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2 Re: Mechanisms of Microevolution on Sun Jun 22, 2014 4:39 am

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http://www.creationscience.com/onlinebook/LifeSciences8.html

Natural Selection

Like so many terms in science, the popular meaning of “natural selection” differs from what the words actually mean. “Selecting” implies something that nature cannot do: thought, decision making, and choice. Instead, the complex genetics of each species allow variations within a species. In changing environments, those variations give some members of a species a slightly better chance to reproduce than other members, so their offspring have a better chance of surviving. The marvel is not about some capability that nature does not have, but about the designer who designed for adaptability and survivability in changing environments. With that understanding, the unfortunate term “natural selection” will be used.

An offspring of a plant or animal has characteristics that vary, often in subtle ways, from those of its “parents.” Because of the environment, genetics, and chance circumstances, some of these offspring will reproduce more than others. So, members of a species with certain characteristics will tend, on average, to have more “children.” Only in this sense, does nature “select” genetic characteristics suited to an environment—and, more importantly, eliminates unsuitable genetic variations. Therefore, an organism’s gene pool is constantly decreasing

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