Humans, pets, and petunias, all pass through an early stage of development called a(n)?

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.

answer: 45

explanationyou have to add as well to be it could be