Use a Punnett square to determine the possible PHENOTYPES of the offspring when crossing these two parents: GG and gg
G = green skin g = yellow skin
To determine the possible phenotypes of the offspring, we need to cross the two parents, which have genotypes GG (green skin) and gg (yellow skin).
The Punnett square for this cross would look like:
| G | G |
--------------
g | Gg | Gg |
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g | Gg | Gg |
In this Punnett square, the top row and left column represent the alleles from one parent (GG) and the bottom row and right column represent the alleles from the other parent (gg). The combinations of alleles in the boxes represent the possible genotypes of the offspring.
From the Punnett square, we can see that all the offspring will have the genotype Gg, which means they will have green skin. Therefore, the possible phenotype of the offspring will be green skin.