Polygenic Inheritance

Examples include skin color and height (the individual's phenotype exists somewhere along a spectrum)

• polygenic inheritance

• multiple alleles

• linked genes

• incomplete dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An example of polygenic inheritance is...

• Skin Color

• hitch hikers thumb

• blood types

Tags

NGSS.HS-LS3-2

A section on a chromosome that has genetic information for one trait.

• trait

• gene

• chromosome

Tags

NGSS.HS-LS3-1

an example of polygenic inheritance is...

• height

• hitch hikers thumb

• blood types

The different forms of a gene are called

• traits

• pollinators

• alleles

• hybrids

Tags

NGSS.HS-LS3-1

A trait that can be hidden.

• recessive

• dominant
  trait

• dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is an example of polygenic inheritance?

• Eye color

• Tongue rolling

• Blood type

• Widow's peak

Polygenic inheritance involves multiple genes affecting a single trait. Which of the following traits is an example?

• Height

• Earlobe attachment

• Cystic fibrosis

• Sickle cell anemia

Tags

NGSS.HS-LS3-3

In polygenic inheritance, which of the following is true?

• Traits are determined by a single gene

• Traits show a continuous range of variation

• Traits are not influenced by the environment

• Traits are always dominant

Which of the following best describes polygenic inheritance?

• A single gene affects multiple traits

• Multiple genes affect a single trait

• Traits are inherited from one parent only

• Traits are determined by environmental factors only