threshold characteristics
characteristics that are either present or absent (2 phenotypes) (Ex: disease/pregnant)
you either have the trait or you don't
This is a type of quantitative trait bc they are determined by multiple genes and environmental factors (ex: heart disease)



Answer :

Quantitative genetic features known as threshold traits have a phenotypic level nonlinearity. There are two phenotypically unique morphs that define these features, and it is considered that the liability, an underlying trait that is continually distributed, is what determines these traits genetically.

What in genetics is a threshold?

quantitative traits based on an assumed continuous distribution of the elements that contribute to the trait but discretely manifested in a small number of phenotypes (often two) (underlying liability).

Do threshold qualities have complexity?

The environment and numerous genes both seem to have an impact on threshold features, which are all or none.

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