Aman drink swamp water and later contracts malaria this fact alone does not provide conclusive evidence that swamp water is responsible for causing malaria to drive all conclusion with only needed

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.