1. Dihybrid cross (corn) |
· Recessive alleles |
· Linkage |
· Recombination |
· Cis arrangement |
· Recombination frequency, map units |
· Using F2 progeny ratios to determine map units |
· Using map units to determine F2 progeny ratios |
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2. Dihybrid cross (FlyLab: forked and scalloped) |
· X-linked recessives in cis |
· Test cross vs sibling cross |
· Recombinants and parentals |
· Map distance |
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3. Dihybrid cross (FlyLab: forked and miniature) |
· X-linked recessive |
· Cis vs trans |
· 3 two factor crosses to build map (forked, scalloped and miniature) |
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4. Dihybrid cross (FlyLab: spineless and incomplete) |
· Autosomal recessives |
· Test cross |
· No recombination in males |
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5. Trihybrid cross (FlyLab: miniature, singed, tan) |
· Gene order |
· Genetic map |
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6. Dihybrid, trihibrid cross (mice) |
· Autosomal dominant, autosomal recessive |
· Genotypes |
· Given map with three markers, predict number of F2 progeny |