Saturday, 2 May 2015

8. Student Module 7: Duplication and Degradation

Module 7:  Duplication and Degradation

Evolution is driven by changes in genes.  Sometimes genes are inadvertently duplicated during replication.  This provides an "extra copy" that is free to vary through mutation, sometimes providing extended function.  A good example is the family of hemoglobin genes in mammals.  Members of a family which arose through duplication can also mutate and lose function.  This module lets you explore these scenarios.  The guide for this is in Dropbox (you don't need an account in Dropbox to get these, but it's handy free cloud storage.)  The guide can be downloaded here.

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