A phenotype's any observable characteristic or trait of an organism: such as its morphology, development, biochemical or physiological properties, or behavior. Phenotypes result from the expression of an organism's genes as well as the influence of environmental factors and possible interactions between the two. The genotype of an organism's the inherited instructions it carries within its genetic code. Not all organisms with the same genotype look or act the same way, because appearance and be… (More on Phenotype)