Lecture 4 Mendel I Student

Lecture 4 Mendel I Student - Announcements 1/21 1 Learning...

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Learning objectives… 1. Explain how we know genes encode  enzymes (Beadle and Tatum’s  experiment).  2. Construct and analyze simple  pedigrees. 3. Evaluate Mendelian inheritance  patterns. 4. Explain how genotypes relate to  phenotypes in Mendelian patterns of  inheritance.
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Mendelian inheritance in  humans Most traits in humans are due to the  interaction of multiple genes and do  not show a simple Mendelian pattern of  inheritance. A few traits represent single-genes.   Examples include sickle-cell anemia,  cystic fibrosis, Tay-Sachs disease, and  Huntington’s disease (see Table 2.1 in  text). Because we can not do breeding  experiments on humans, we use model  organisms.
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In humans we must use  pedigrees to study  inheritance. Pedigrees are an orderly diagram of a  families relevant genetic features  extending through multiple generations.
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This note was uploaded on 04/05/2009 for the course BIOL 202 taught by Professor Kieber-hogan during the Spring '08 term at UNC.

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Lecture 4 Mendel I Student - Announcements 1/21 1 Learning...

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