Solving Punnett SquaresIf a round pea plant (AA) is crossedwith a wrinkled pea plant (aa), whatpercent of the offspring will be: • Round? Solve these • Wrinkled?If two heterozygous round pea in yourplants are crossed, what percent ofthe offspring will be: • Round? notebook. • Wrinkled?If a heterozygous round pea plant is crossedwith a homozygous wrinkled pea plant, whatpercent of the offspring will be: • Round? • Wrinkled?
Practice• Sponge Bob Genetics• Glue in your notebook
Solving Punnett SquaresPredicting phenotype getsmore complicated whenyou look at more than onetrait at a time. Parents Offspring
Solving Punnett Squares ParentsDepending on howchromosomesindependentlyassort determinesgenotype, and thusphenotype, of the Offspringresulting progeny(offspring)
Solving Punnett Squares: page ___ of notebookIf a round, yellow pea plant(AABB) is crossed with awrinkled, green pea plant(aabb), what percent of theoffspring will be: • Round and yellow? • Round and green? • Wrinkled and yellow? • Wrinkled and green?
Practice• Dihybrid Crosses handout (bunny rabbits). Glue in your notebook.
Phenotypic Expression Varies• Complete Dominance:• Codominance Write this list,• Incomplete Dominance• Sex-Linked then we will• Polygenic Traits describe each one in detail.