Use the punnett square on this page to complete a cross between a fruit fly with straight wings (cc) and a fruit fly with curly wings (cc). 1. according to the punnet square, which genotypes are possible in the offspring? 2.using the information in the punnett square, calculate the ratio of the dominant phenotype to the recessive phenotype in the offspring. *i already filled in the punnett square, just don't unerstand the problem.