Presentation 4 Genetics I Sp08 BB

Presentation 4 Genetics I Sp08 BB - Inheritance Today's...

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Inheritance Today’s Topics •Gregor Mendel *Mendel’s experiments *Mendel’s results –Law of Segregation *Law of Independent Assortment Darwin’s Problems •Idea that species can change was generally accepted –Not a new idea with Darwin *Evidence to support this was generally accepted Darwin’s Problems *Natural Selection was not accepted *Indirect evidence was not convincing enough *No good explanation for how traits were inherited *No explanation for sources of variation *Because Natural selection was not accepted as the mechanism for change in species, Darwin’s whole theory was rejected Gregor Mendel *Austrian monk *Lived at same time as Darwin *Did experiments to determine how traits were inherited Gregor Mendel •Generally accepted explanation on inheritance –Traits in offspring were a blend of the parent’s traits *Often this was not the case Gregor Mendel •Experimented on garden peas to determine patterns of inheritance *Used math to analyze results and make conclusions *Results were not recognized for 50 years
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This note was uploaded on 04/16/2008 for the course BIO 200 taught by Professor ? during the Spring '08 term at CSU Long Beach.

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Presentation 4 Genetics I Sp08 BB - Inheritance Today's...

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