If a Study of Several Pedigrees Demonstrated That Two Parents

question 72

Multiple Choice

If a study of several pedigrees demonstrated that two parents are normal but their children express a trait, then the trait is controlled by a

• A) codominant gene.
• B) simple dominant gene.
• C) recessive gene.
• D) sex-linked gene.
• E) No conclusion can be drawn.

---

Definitions:

Correlation Coefficient

A statistical measure that calculates the degree to which two variables are linearly related.

Symbol "r"

In psychology, it often represents the correlation coefficient, a statistical measure of the strength and direction of a linear relationship between two variables.

Perfect Correlation

A statistical relationship indicating that two variables move in complete synchronization with each other, either positively or negatively.

Real World

The physical and social environment in which individuals live and interact, outside of artificial or virtual contexts.