Transmission: Infectious bronchitis is a very contagious poultry disease. It is spread by air, feed bags, infected dead birds, infected houses, and rodents. The virus can be egg-transmitted, however, affected embryos usually will not hatch.
Definition: Phenotype is defined as an organism's expressed physical traits. Phenotype is determined by an individual's genotype and expressed genes, random genetic variation, and environmental influences.Examples: Examples of an organism's phenotype include traits such as color, height, size, shape, and behavior.efinition: Phenotype is defined as an organism's expressed physical traits. Phenotype is determined by an individual's genotype and expressed genes, random genetic variation, and environmental influences.
It is the gene complement of an individual. 2. Genotype remains the same throughout the life of an individual. 3. Genotype cannot be studied directly. It can be known through the study of ancestors, mating and offspring. 4. It is not influenced by phenotype. 5. In a given environment or time, individuals with similar genotypes will produce similar phenotypes.