A geneticist performs a cross between a true breeding purple flowered plant and a true breeding white flowered plant. All of the F1 offspring are purple. What are
the phenotypic ratios of the F2 generation?
O all purple flowers
O 3/4 purple flowers and 1/4 white
O 1/2 purple flowers and 1/2 white flowers
3/4 white flowers and 1/4 purple flowers
Question 2
1 pts

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.