Science glossary film: Phenotype Glossary video

The physical and behavioral characteristics of an individual. The phenotype is the observable way genes are expressed: for example, an individual may have alleles for both blue and brown eye color in their genotype, but would express the dominant allele only and have a phenotype of brown eyes.

The phenotype is the observable way genes are expressed: for example, an individual may have alleles for both blue and brown eye color in their genotype, but would express the dominant allele only and have a phenotype of brown eyes.