[Campbell Biology P.322] In a Punnett square for a PpxPp cross Figure 14.5 , what do the let... | Practice Question

In a Punnett square for a PpxPp cross Figure 14.5 , what do the letters on the outside of the boxes represent?

  • A: The genotypes of the P generation.
  • B: The possible gametes from the F1 generation parents.
  • C: The genotypes of the F2 generation.
  • D: The phenotypes of the F1 generation.

Explanation

The Punnett square is constructed by listing all possible gametes from one parent along one side and all possible gametes from the other parent along the top. In this case, the F1 Pp parents can each produce P and p gametes.