Lecture 015 - Recombination Mapping

Lecture 015 - Recombination Mapping - Lec 15: Recombination...

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1 Bio1222 Haffie, 08/09 Lec Lec 15: 15: Recombination Mapping Recombination Mapping Bio1222 Haffie, 08/09 Monday MendelFest Rm 340 NCB Monday, Nov. 3 4:30 to 6:30 pm Drop-In Help Course Announcements
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2 Bio1222 Haffie, 08/09 Before next Lecture, I suggest . . . Before next Lecture, I suggest . . . • Invest 30 min to complete, review and organize notes from today. • Do as many Chapter 12 and 13 questions as needed. • Try the Extra Problems (from the Lecture 15 folder.) Bio1222 Haffie, 08/09 What if there are many genes? Continuous variation Polygenic inheritance
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3 Bio1222 Haffie, 08/09 Drosophila Notation Drosophila genetic notation is different than the “Aa” style for Drosophila there is a “wild type” Mutant alleles are named after the new phenotype they cause Dominant mutant alleles are uppercase; recessive mutant alleles are lowercase. Normal alleles are indicated by a “+” Bio1222 Haffie, 08/09 Sex Chromosomes Recall for humans . . . X is much larger than Y X and Y are “homologues” and must pair during meiosis; they share a small region of homology
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Lecture 015 - Recombination Mapping - Lec 15: Recombination...

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