Dihybrid Crosses

BiologyGeneticsMendelian GeneticsDihybrid Crosses
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Dihybrid Crosses

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  1. Dihybrid Crosses

    Slide 1 - Dihybrid Crosses

  2. What is a Dihybrid Cross?

    Slide 2 - What is a Dihybrid Cross?

    • In contrast to a monohybrid cross, a dihybrid cross is a cross between two individuals that differ in two traits of particular interest.
  3. How to set up a punnett square for a dihybrid cross.

    Slide 3 - How to set up a punnett square for a dihybrid cross.

    • Step 1: Determine parent genotypes
    • Step 2: Decide how many gametes each parent could make
    • Step 3: Write possible gametes on side of Punnett square and fill it in!
  4. What type of offspring would you expect to get if you crossed two pea plants that were heterozygous for both pea color (Yellow/green) and pea shape (Round/wrinkled)

    Slide 4 - What type of offspring would you expect to get if you crossed two pea plants that were heterozygous for both pea color (Yellow/green) and pea shape (Round/wrinkled)

    • YyRr x YyRr
  5. Wha type of offspring would you expect to get if you crossed the following pea plants? YYrr x yyRR

    Slide 5 - Wha type of offspring would you expect to get if you crossed the following pea plants? YYrr x yyRR

  6. What type of offspring would you expect to get if you crossed the following pea plants? YyRr x Yyrr

    Slide 6 - What type of offspring would you expect to get if you crossed the following pea plants? YyRr x Yyrr