QuantGeneticsLecture3

QuantGeneticsLecture3 - Quantitative Genetics Lecture 3...

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Unformatted text preview: Quantitative Genetics Lecture 3 Wrapping up with QTLs Announcement OK, you win I will post my lecture notes on my web site BUT! I am NOT committing Dr. Powell to posting his If attendance drops, I WILL pull them I wont start posting them until next week Questions? Quantitative Genetics Lecture 3 Today we will: Introducing QTLs Genetics for most of the 20th century was all about mapping genes Relative to one another (linkage mapping) Relative to their physical position (loci) on chromosomes QTLs Quantitative geneticists felt left out: They knew that there were genes in there somewhere controlling, or at lease influencing their quantitative traits They just didnt know: How many genes there were Where they were, or What they did They invented QTLs to find out Basic strategy of linkage mapping: 1. Identify as many easy-to-score single-gene marker traits as possible (even if they are totally useless) 2. Make crosses and backcrosses and see which traits are...
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QuantGeneticsLecture3 - Quantitative Genetics Lecture 3...

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