What is the answer to 2c?

Answer:
Could this be advantageous in a specific environment?
HH X Hh= HH, Hh, HH, and Hh
hh X HH= Hh, Hh, Hh, and Hh
Explanation:
It could be in an environment where we have homozygous dominant like HH rather unlike having heterozygous be it dominant or recessive as it could lead to having a recessive offspring and carriers