For threshold traits,the liability for a genetic disorder is distributed among individuals in a bell-shaped curve.

Question

Quizplus · Accepted Answer

This is true because threshold traits are influenced by both genetic and environmental factors, so the liability for developing the disorder will vary among individuals. A bell-shaped curve (normal distribution) is often seen in the distribution of liabilities for such traits.

For Threshold Traits,the Liability for a Genetic Disorder Is Distributed