F13 lecture 2 v2

E is not independent of the first cell in general for

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Unformatted text preview: RR •  tall plant, yellow seeds, round seeds –  grandparent 2: ddyyrr •  short plant, green seeds, wrinkled seeds •  What propor7on of F2 offspring would be tall, green seeds, round seeds 3 loci, 2 alleles => 8 gamete types •  •  •  •  •  •  •  •  •  DYR DYr DyR Dyr dYR dYr dyR dyr => 64 cell PunneR square using the method for phenotypic ra7os from 2 slides ago •  (genotypic ra7os could be done in a trihybrid PunneR square; 8 gamete types; 64 cells) •  ¾ are tall (DD or Dd) •  ¼ are green (yy) •  ¾ are round (RR or Rr) •  ¾ x ¼ x ¾ = 9/64 when you have cross data •  How do you test whether the underlying gene7c basis is a Mendelian locus? •  e.g. in a monohybrid...
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This document was uploaded on 02/27/2014.

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