Which Statement About Traits That Involve Polygenic Inheritance Is TRUE

question 212

Multiple Choice

Which statement about traits that involve polygenic inheritance is TRUE?

• A) These traits are passed down from either the mother or the father directly to the offspring.
• B) These traits are expressed only if an individual has a dominant gene.
• C) Offspring have a one-in-four chance of possessing a trait if the parents possess it.
• D) Many common human disorders are believed to result from interactions among multiple inherited genes, often in conjunction with environmental factors.

---

Definitions:

Natural Electrical Activity

The spontaneous electrical signals generated by neurons and other excitable cells as part of their normal physiological functions.

Epinephrine Norepinephrine

Two key neurotransmitters involved in the body's fight or flight response, regulating heart rate and blood pressure among other functions.

Adrenal Glands

Endocrine glands located above the kidneys that produce a variety of hormones, including adrenaline and cortisol, which regulate stress responses and other bodily functions.

Thyroid Gland

An endocrine gland in the neck that produces thyroid hormones, which regulate the body's metabolism, energy level, and overall growth and development.