It is the chance or probability that a person will harmed or experience an adverse health , effect if one is exposed to hazard A. hazard
B. incidents
C. injury
D. Risk​

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.

helicase, i think thats it