Question

what are the possible phenotypes in this punnett square? light purple bb, bb, bb purple, white bb, bb

Explanation:

Phenotypes are observable traits, not genetic genotypes. Looking at the Punnett square, the visible traits are purple and white. The other options list genotypes (genetic codes like Bb, bb, BB) or an unobserved trait (light purple), so they are incorrect.

Answer:

purple, white