The big picture on Evolution.doc

4 Pages
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Department
Anthropology
Course Code
ANTB15H3
Professor
Larry Sawchuk

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Description
The big picture on Evolution Genetics provides the mechanism by which natural selection occurs • The general principle of Darwinian evolution have been widely accepted • Darwinian evolution raises controversy when for instance quantum mechanics scarcely registers on the public conciousness. • The Big picture looks at the theory of evolution, the evidence supporting it, unanswered questions and history of public reaction. • What forces control destiny of life on earth? CULTURAL EVOLUTION: • One of the strongest cultural systems is language that shows clear signs of evolutionary change • It can be difficult to disentangle biological and cultural explanations • Neutral changes are important thanks to a random process known as genetic drift • How much evolutionary change due to drift is not certain • One of the strongest cultural systems is language • It can be difficult to disentangle biological and cultural explanations • Neutral changes are important due to the genetic process of neutral drift • How much evolutionary change is due to drift is not certain • Changes in allele frequency due to chance have probably had a big impact on people • One of the strongest cultural systems is language • It can be difficult to disentangle biological and cultural explanations Tree of life Archaea . Although single celled and lacking a nucleus, genetic comparisons suggest they are more closely related to eukaryotes than to bacteria Incredible microbial diversity and new species never described before These are master control genes that coordinate the activity of many other genes Hox genes are found throughout the animal world There are many
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