Polygenic Traits

question 1

Multiple Choice

Polygenic traits

• A)are discrete.
• B)have a continuous range of expression.
• C)are controlled by only one genetic locus.
• D)include the ABO blood type system and cystic fibrosis.
• E)are also called Mendelian traits.

---

Definitions:

Iris

The colored part of the eye surrounding the pupil, controlling light levels inside the eye by adjusting the size of the pupil.

Blood Vessels

Cylindrical vessels that transport blood across the body, encompassing veins, arteries, and capillaries.

Connective Tissue

A type of body tissue that supports, binds together, and protects organs.

Muscle Cells

Specialized cells that make up muscle tissue, capable of contracting to produce movement in parts of the body.