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PLANT GENETICS RECITATION LINKAGE MAPS FEBRUARY 9 TH 2012. Parent 1. Parent 2. F1. Doubled Haploids. Parent 1. Parent 2. F1. Gametes. P2. P2. P1. Two loci: -Spike color -Stem height. ×. Linked. Independent. 3 LOCI: Locus 1: Stem thickness(SNP marker) OWB-D : Thick (A)

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slide1

PLANT GENETICS RECITATION

LINKAGE MAPS

FEBRUARY 9TH 2012

slide2

Parent 1

Parent 2

F1

slide3

Doubled Haploids

Parent 1

Parent 2

F1

Gametes

slide4

P2

P2

P1

Two loci:

-Spike color

-Stem height

×

Linked

Independent

slide5

3 LOCI:

  • Locus 1: Stem thickness(SNP marker)
    • OWB-D : Thick (A)
    • OWB-R: Thin (T)
  • Locus 2: Number of rows (Morphological marker)
    • OWB-D : 2 rows
    • OWB-R: 6 rows
  • Locus 3: Resistance of Rhynchosporiumsecalis (PCR marker)
    • OWB-D : Susceptible (No band)
    • OWB-R: Resistant (Band)
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Locus 2: Number of rows (morphological marker)

http://barleyworld.org/oregonwolfe/images/owb-hb-phenotypes