Use the Following Information to Answer the Questions Below

question 71

Multiple Choice

Use the following information to answer the questions below.
Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The part of the radish we eat may be oval or long, with long being the dominant characteristic.
-The flower color trait in radishes is an example of which of the following?

• A) a multiple allelic system
• B) sex linkage
• C) codominance
• D) incomplete dominance
• E) epistasis

---

Definitions:

Parkinson Disease

A progressive neurological disorder characterized by motor symptoms such as tremors, stiffness, and slowed movement, due to the loss of dopamine-producing brain cells.

Muscular Control

Involves the coordinated actions of muscles to perform movements, regulated by the nervous system.

Shaking

Involuntary, rhythmic muscle movements involving to and fro movements of one or more parts of the body, often resulting from neurological conditions, stress, or cold.

Norepinephrine

A neurotransmitter and hormone involved in the body's response to stress, increasing heart rate and blood flow to muscles.