Answer:
16
Step-by-step explanation:
This cross is an example of traits use in a dihybrid cross.
If Aa Bb dd Ee crosses with Aa Bb dd Ee; we have the following 16 offspring illustrated below in the punnet square.
Aa Bb dd Ee
Aa AAaa BAba dAda EAea
Bb ABab BBbb dBdb EBeb
dd Adad Bdbd dddd Eded
Ee AEae BEbe dEde EEee
From above, we can see 16 different genotypes in the punnet square.