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BIO_130 LAB 2 - Janelle Jose Spring Semester 2009...

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Janelle Jose BIO 130 Perspectives in Human Biology Spring Semester 2009 Person Number# 34084635 Laboratory Assignment 2 – Model organisms 1. Define the term, “model organism”. A model organism is a species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the organism model will provide insight into the workings of other organisms. 2. Give an example of a model organism. Gallus/Chicken (used for developmental studies, as it is an amniote and excellent for micromanipulation and over-expression of gene products) 3. Explain the features of the organism identified above that make it an attractive organism for biological research. Features include (a) The chicken is evolutionarily placed to bridge the gap between mammals and non-amniote vertebrates, and is by far the best studied representative of all avian species, thus providing a valuable genomic resource for comparative genomics.
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