Answer:
2 out of 4
Explanation:
Using the already provided letters we can fill in the blanks in each box by combining the two letters that correspond (capital letter always goes first)
Top left: Cc, the dominant trait shows.
Top right: cc, both recessive traits are showing and there is no cleft chin.
Bottom left: Cc, dominant trait shows.
Bottom right: cc, both recessive traits and no cleft chin.
There are two possibilities of the dominant trait, the cleft chin, showing, which makes 2 out of 4 possibilities.
