biO Ch. 25

biO Ch. 25 - BIO 105 Mon., Mar 10, 2008 Ch. 25 Study Guide...

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BIO 105 Mon., Mar 10, 2008 Ch. 25 Study Guide 25.1 Control of gene expression Diploid cells are totipotent Contains all genes necessary to develop into an entire organisms Reproductive cloning shows that cells are totipotent Reproductive cloning Dolly the sheep- proved that animals can be cloned Therapeutic cloning Produces various cell types rather than a whole organism Provides cells and tissues to treat diseases Allows us to gain information about differentiation Two methods of therapeutic cloning 1) Use of embryonic stem cells Similar method as reproductive cloning Cell is directed to become a specific cell or tissue type rather than a complete organism Ethical considerations- each cell could have potentially become an individual 2) Use of adult stem cells Many tissues have stem cells-skin, bone marrow, umbilical cord cells Adult stem cells may not give rise to all cell types Research is currently underway to develop
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This note was uploaded on 03/30/2008 for the course BIO 105 taught by Professor Mickle during the Spring '07 term at N.C. State.

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biO Ch. 25 - BIO 105 Mon., Mar 10, 2008 Ch. 25 Study Guide...

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