Older adults are most likely to develop shingles, which is why the shingles vaccine is recommended for people age 60 and older. Zostavax is currently the only vaccine approved by the Food and Drug Administration (FDA) to prevent shingles.
Polygenic traits are those traits that are controlled by more than one gene. Such traits may even be controlled by genes located on entirely different chromosomes. Human height, eye and hair color are examples of polygenic traits. Skin color is another polygenic trait for humans and a variety of other animals.
Adj. 1. polygenic-of or relating to an inheritable character that is controlled by several genes at once; of or related to or determined by polygenes. genetic science, genetics-the branch of biology that studies heredity and variation in organisms.dj. 1. Of, relating to, or determined by polygenes: polygenic inheritance. 2. a. Of or relating to polygenesis; polygenetic. b. Of or relating to polygenism.