Skin Colour in Humans Is Caused by Polygenic Inheritance

question 42

Multiple Choice

Skin colour in humans is caused by polygenic inheritance. Which one of the following statements is implied by this form of inheritance?

• A) The skin colour of children will always be identical to one parent or the other.
• B) The skin colour of children will always be intermediate to that of their parents.
• C) The skin colour of children will most often be identical to that of one of their parents, but sometimes not.
• D) The skin colour of children will most often be intermediate to that of their parents, but sometimes not.

---

Definitions:

Senate

The upper chamber of the United States Congress, consisting of two senators from each state, responsible for making and passing federal laws.

Executive Agreement

An agreement made between the President and a foreign government that is less formal than a treaty and does not require Senate ratification.

Advice And Consent

A constitutional power given to the U.S. Senate to ratify treaties and approve presidential appointments to the executive and judicial branches.

President

The head of state and head of government in a republic, particularly referring to the chief executive of the United States.