Which statement about polygenic inheritance is correct?

Polygenic inheritance refers to the manner in which several genes contribute to a single trait, leading to a continuous range of possible phenotypes. This phenomenon is seen in traits such as height, skin color, and intelligence, where the contributions of multiple alleles (different forms of a gene) result in a gradient of expressions rather than distinct categories.

In polygenic inheritance, the combined effects of multiple genes can lead to varying degrees of a characteristic, with individuals exhibiting phenotypes that fall anywhere on a spectrum rather than falling neatly into set categories. This is distinct from traits governed by single genes, which often show discrete phenotypes characterizing black or white, present or absent traits.

The option stating that polygenic inheritance can result in a range of phenotypes accurately reflects how traits determined by multiple genes can exhibit such variation in the phenotype, making it the correct statement regarding polygenic inheritance.