Difference between revisions of "Macroevolution"

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'''Macroevolution''' is the theory that [[natural selection]] can, given enough time, lead to the creation of new [[clade]]s which are groups of organisms consisting of a single common ancestor and all the descendants of that ancestor.  Macroevolution may require a large number of [[mutation]]s, though it may also come about as a result of a gross genetic change. For instance, there are two [[species]] of grey tree [[frog]]s in North America; one has two sets of [[chromosome]]s, and one has four. From an [[Theory of evolution|evolutionary]] perspective, this is the result of a random failure in [[meiosis]] in a generation of tree frogs which led to a new genetic makeup for one of the species.
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'''Macroevolution''' is the theory that [[natural selection]] can, given enough time, lead to the creation of new [[clade]]s which are groups of organisms consisting of a single common ancestor and all the descendants of that ancestor.   
 
   
 
   
The scientific data regarding mutations causing the changes necessary for macroevolution has been seen by some as damaging to the macroevolutionary position. <ref>Bergman, Jerry, [http://www.trueorigin.org/mutations01.asp Darwinism and the Deterioration of the Genome], ''Creation Research Society Quarterly'' 42(2), 2005.</ref>
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The scientific data regarding mutations causing the changes necessary for macroevolution is damaging to the macroevolutionary position. <ref>Bergman, Jerry, [http://www.trueorigin.org/mutations01.asp Darwinism and the Deterioration of the Genome], ''Creation Research Society Quarterly'' 42(2), 2005.</ref>
  
 
==See also==
 
==See also==

Revision as of 02:03, October 27, 2008

Macroevolution is the theory that natural selection can, given enough time, lead to the creation of new clades which are groups of organisms consisting of a single common ancestor and all the descendants of that ancestor.

The scientific data regarding mutations causing the changes necessary for macroevolution is damaging to the macroevolutionary position. [1]

See also

External Links

References

  1. Bergman, Jerry, Darwinism and the Deterioration of the Genome, Creation Research Society Quarterly 42(2), 2005.