A polygenic trait is one whose phenotype is influenced by more than one gene. Traits that display a continuous distribution, such as height or skin color, are polygenic. ... Many polygenic traits are also influenced by the environment and are called multifactorial.
What is a polygenic trait quizlet?
polygenic triats. a trait that is controlled by several pairs of genes; different combinations of all the genes contribute to the trait in varying degrees. multiple allele traits.
What are the characteristics of polygenic inheritance?
Polygenic Inheritance characteristics
- Polygene refers to a gene that exerts a slight effect on a phenotype along with other genes.
- Effect of a single gene is too small, so it is difficult to detect.
- Multiple genes produce an equal effect.
- Each allele has a cumulative or additive effect.
