Answer:
It does not obey Mendel's law of dominance.
Explanation:
Epistasis is not complete dominance
I will try to answer at the best of my ability.
She may have Gastritis.
I hope this helps, and if it is wrong, I am truly sorry.
Lots of hand waving as is in the current field of much of molecular biology. Other than that experiments and observations. Basically the utilization of the scientific method and then trying to find the mechanism by which something occurs through even more research/experimentation.
HOPE THIS HELPS
Contain more calories ..........