What do we call the practice in the United States of assigning race to the parent believed to pertain to a minority group (known also as the "one drop rule")?

Question

What do we call the practice in the United States of assigning race to the parent believed to pertain to a minority group (known also as the "one drop rule")?​

Quizplus · Accepted Answer

The "one drop rule" is also known as the hypodescent rule, which is the practice of assigning race to a person based on the belief that even a small amount of ancestry from a minority group makes an individual part of that group.

What Do We Call the Practice in the United States