Some of the most common diseases are infections caused by bacteria, such as Campylobacter, Salmonella, Shigella, E. coli O157:H7, Listeria, botulism, and norovirus.
A genotype is the actual genetic coding for an organism. A phenotype is the physical appearance. For example, let's say BB or Bb is the coding for black hair. BB/Bb is the genotype, and the black hair is the phenotype.
Psychology - Genotypes and Phenotypes. Explain what is meant by the term genotype. A persons genotype is their genetic makeup, passed down from your parents. Explain what is meant by the term phenotype. A persons phenotype is the physical expression of their genotype. Genotype + environment = phenotype