CRIB SHEET 1

CRIB SHEET 1 - D – late pachytene E – diplotene F...

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Midterm 1 [n!/(s!t!)]p s q t Homogeneity: QuickTime and a decompressor are needed to see this picture. For F2 of dihybrid cross (crossing 2 truebreeders, and then crossing heterozygous offspring): A_B_ : A_bb : aa_B_ : aabb 9 : 3 : 3 : 1 Interference (recombination) = 1 – (observed DCOs/expected DCOs) colorblindness, hemophilia, albinism x-linked recessive achondroplasia is a rare (only comes into pedigree once) dominant Prophase 1 Substages A – leptotene, B – zygotene, C – early pachytene,
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Unformatted text preview: D – late pachytene, E – diplotene, F- detail of synapsis Meiosis QuickTime and a decompressor are needed to see this picture. 95% confidence interval p - 2*sqrt{[p(1-p)]/ n} to p + 2*sqrt{[p(1-p)]/ n} ADD DIFFERENT KINDS OF CROSSOVERS MAP DISTANCE = ½ (# recomb/total) = ½ (2 nd div seg asci/total) 1 2 (observed - expected)^2 x = sum[ ----------------------------------- ] expected...
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This note was uploaded on 04/07/2008 for the course LS 1b taught by Professor Various during the Spring '08 term at Harvard.

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