Stats:
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Friday, January 7, 2011
Thursday, January 6, 2011
Lab 04 - Inheritance of complex traits
Today we practiced pedigree analysis when a trait is controlled by several genes and environmental factors. Students learned how to identify a complex trait on a pedigree and to estimate the most plausible mechanism explaining the pattern of inheritance observed in a pedigree.
We introduced the concepts of threshold traits and genetic liability, and used them to calculate the risk of parents conceiving a child affected by a multifactorial disease (an example of a threshold trait)
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Monday, January 3, 2011
Lecture, chapter 6 - Cytogenetics
Today we finished the chapter on cytogenetics with a discussion of the effects of abnormalities on the structure of chromosomes, rather than in the number of them.
Among structural abnormalities we focused on translocations (reciprocal and Robertsonian). We also discussed uniparental disomy (UPD) and the presence of fragile sites.
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