The study of body function in a disease state is the study of body function in a disease state is histology. pathophysiology. necrology. microbiology. physiology.

pathophysiology

Explanation:

This area of medicine study the pathology processes, physical or chemical, that take place in a human body. Study the physical, mechanical and biochemical processes. Study the mechanisms of a sickness at the molecular, sub-molecular, cellular, organic and anatomic level.  

there is no

explanation:

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.