Kindle Fire tablets. Print. Amazon's Kindle Fire tablets (the Kindle Fire, Fire HD, and Fire HDX) are compatible with Kindle Books (available to U.S. libraries only), but they offer more sophisticated web browsing capabilities than Kindle eReaders and can install OverDrive's app (available worldwide).
A polygenic trait, is a trait that nonallelic genes control. These traits result from one or more genes contributing to the phenotype. An individual's physical appearance is determined by chromosomal inheritance and genotypic ratio. This phenomenon is known as Mendel's Laws of Inheritance.
For example, polygenic traits can also be quantitative because they have a continuous variation over a range of measurement. Polygenic traits can also be called multifactorial, which applies when there are multiple factors that play a role in a trait.