In sweet peas, the genes for flower color and pollen grain shape are 11 cm apart. a pure-breeding purple flowering plant with round pollen grains is crossed to a pure-breeding red flowering plant with long pollen grains. the resulting f1 offspring are all purple flowering plants with long pollen grains. what percent of offspring from a test cross analysis of the f1 individuals would you expect to be red flowering plants with long pollen grains?
a) 44.5
b) 11
c) 5.5
d) 89