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genotype vs. phenotype

genotype vs. phenotype: What’s the difference?

The genotype of an organism is its genetic makeup—the sum of its genes. Genotype can refer to all the genes related to a specific trait or to all the genes passed down from parent to child. The phenotype of an organism is its appearance—which is influenced by both its genotype and the environment.

[jen-uh-tahyp, jee-nuh-] / ˈdʒɛn əˌtaɪp, ˈdʒi nə- /

noun

Genetics.
  1. the genetic makeup of an organism or group of organisms with reference to a single trait, set of traits, or an entire complex of traits.

  2. the sum total of genes transmitted from parent to offspring.

[fee-nuh-tahyp] / ˈfi nəˌtaɪp /

noun

Genetics.
  1. the observable constitution of an organism.

  2. the appearance of an organism resulting from the interaction of the genotype and the environment.