Unformatted text preview: • Many polygenes are regulatory in nature and can be influenced by changes in the environment. • They exhibit a wide and continuous range of expression. • ** Polygenic traits are studied in populations not pedigrees. • The number of genes (n) contributing to a polygenic trait can be estimated from the number of phenotypes observed: • The # of phenotypes = 2n + 1...
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- Spring '08
- Genetics, polygenic trait, Polygenic Traits, Polygenic alleles