4 Genetics - Gene linkage (by Elizabeth)

[object Object],[object Object],[object Object],Assessment Statements

Normal Dihybrid Crosses PpGg x ppgg ,[object Object],[object Object],[object Object],[object Object],P P p p G G g g p p g g p p g g

Normal Dihybrid Crosses PpGg x ppgg P P p p G G g g PG pG Pg pg pg PpGg Ppgg ppGg ppgg INDEPENDENT ASSORTMENT p p g g p p g g

Linked Genes ,[object Object],CcGg x ccgg ,[object Object],[object Object],[object Object],[object Object],C C c c G G g g G C G C c g c g g g c c g g c c CG cg cg CcGg ccgg PARENTAL! CcGg ccgg

YET, crossover C C c c G G g g - @ Prophase I in Meiosis

YET, crossover C G c g c g C G Frequency of cross over depends on Distance between linked gene Distance between linked gene

Linked Genes ,[object Object],CcGg x ccgg C C c c G G g g g g c c g g c c CG cg cg CcGg ccgg PARENTAL! C G c g c g C G

Linked Genes ,[object Object],CcGg x ccgg C C c c G G g g g g c c g g c c CG cg cg CcGg ccgg C G c g c g C G Cg cG Ccgg ccGg RECOMBINENT! Ccgg ccGg 13% 87%

How to distinguish recombiant ,[object Object],G C G C c g c g C g c G OR !!

4 Genetics - Gene linkage (by Elizabeth)

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4 Genetics - Gene linkage (by Elizabeth)

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