In pea plants, purple flowers (p) are dominant over white flowers (p) and tall stems (t) are dominant over short stems (t). complete a dihybrid cross for parents with the genotypes: pptt × pptt and answer the following in complete sentences.

a. describe how you would set up a punnett square for this cross.
b. list the likelihood of each possible offspring genotype.
lc. ist the likelihood of each possible offspring phenotype.