In a multicellular organism, organs carry out a variety of life funtions. in a single-celled organism, these funtions are performed by

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.

i think the answer is g1

hope i

-lavira: )