8. which pattern of inheritance is responsible for a wide range of phenotypes that result from individual organisms having many different gene pairs controlling a single trait?

The right answer is a polygenic trait.

A polygenic trait is a character that results from the expression of several genes. For example, in humans, size is a polygenic trait.

Some diseases such as chronic diseases and cancers are polygenic in nature, ie several genes are involved for the disease to express itself (or not).

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

a chair, a bed, and a toothbrush

explanation: