Answer: Genotype refers to a person's genetic makeup, while phenotype refers to a person's physical characteristics.
Genotype is the complete information of a person’s heredity or the unique genome a person carries. Genotype may refer to a particular gene or set of the genes. The set of genes in the DNA of the organism is responsible for a particular trait which is the information within the gene or the genetic makeup of the organism. Alleles are the form of genes which produces different effects. The information that is contained within two alleles is the genotype.
Phenotype is the observable characteristics of any individual and is influenced by the genotype and the environment. In other terms, the observable or visible expression of the genes in combination with environmental influence on the appearance or observable characteristics is the phenotype. Examples of phenotype include eye colour, hair colour, height, skin colour etc.
