Help please! this is science :)

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

Which would be the most useful source of evidence to support mcneill's contention?

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false