What Does a Heritability of

question 16

Multiple Choice

What does a heritability of .9 for height mean?

• A) Ninety percent of a specific person's height is caused by her genes.
• B) Ninety percent of a specific person's height is caused by her environment.
• C) Ninety percent of a specific person's height is caused by the interaction of her genes and environment.
• D) The differences in height across the whole population are 90 percent attributable to genetic variations between that population's members.

---

Definitions:

Addressing Ambivalence

The act of recognizing and dealing with mixed feelings or contradictory attitudes towards a decision or change.

Overt and Covert Messages

Direct and openly communicated messages (overt) versus hidden or subtly delivered messages (covert).

Cohesive

Characteristic of a group or material that sticks together well or is united in pursuit of common objectives.

Informal Leadership

Leadership exerted by a person not officially designated as a leader but recognized as such by the group.