The man responsible for developing the modern scientific classification system, that scientists still use and follow today is Carolus Linnaeus.
Answer:
Polygenic trait
Explanation:
A polygenic trait is a type of trait whose phenotype observed is affected by more than one genes i.e expression of the trait is controlled by not only a single gene but many. These traits include height or skin color and they display that display a continuous distribution; the hair color is controlled by 7 genes as described which is more than more.
They are called sacromeres.
