An Estimate of the Proportion of Trait Variability in a Population

question 267

Multiple Choice

An estimate of the proportion of trait variability in a population that is determined by variations in genetic inheritance is known as

• A) a heritability ratio.
• B) a percentile score.
• C) an intelligence quotient.
• D) a reaction range.

---

Definitions:

Platelet Plug Formation

A critical step in the blood clotting process where platelets aggregate at the site of a blood vessel injury to prevent excessive bleeding.

Vasodilation

The widening of the muscular wall of an artery to decrease blood pressure.

Blood Coagulation

The process by which blood changes from a liquid to a gel, forming a clot to stop bleeding.

Anemia

A condition in which there is an insufficient number of red blood cells or hemoglobin, leading to reduced oxygen transport in the body.