Punnett Square Dihybrid Worksheet. Punnett Squares - Dihybrid Crosses Background Punnett Square are used to predict the possibility of different outcomes. Using the punnett square in question Dominate allele for tall plants = D Recessive allele for dwarf plants = d Dominate allele for purple flowers = W Recessive allele for white flowers = w Cross a homozygous dominate parent (DDWW) with a homozygous recessive parent PUNNETT SQUARE CHEAT SHEET Below is a sampling of Punnett Square problems that you will be expected to solve.
This is a dihybrid cross with the height and flower position traits showing independent assortment. List the parent genotypes, draw and fill in a Punnett square, and then list the offspring genotypes and phenotypes. A dihybrid cross tracks two traits.
In terms of the Punnett square problems, I teach students to circle/highlight all vocabulary or clues.
Genotype: The letters that make up the individual.
In an effort to activate student prior knowledge, students will complete the Punnett Squares Practice Worksheet to reinforce their understanding of single-trait Punnett squares before this lesson dives into more complicated dihybrid crosses using Punnett squares to predict the probability of an outcome. Punnett Squares - Dihybrid Crosses Background Punnett Square are used to predict the possibility of different outcomes. This is the currently selected item.