Definition

The rate at which a specific trait appears in individuals who have a certain genetic makeup, depending on the environment they are in.

Example

The penetrance of the genetic trait was studied in different populations to understand its expression.

Conversation

Did you read that article about genetic traits and their penetrance?

Yeah, it was fascinating how some traits aren't always expressed.

I found it interesting that the penetrance can change based on the environment.

Exactly! It really shows how complex genetics can be.

Synonyms & Antonyms

Root Explanation

Penetrance → It is formed from "penetrare" (meaning to penetrate) and the suffix "-ance" (indicating a state or quality). The word "penetrance" refers to the quality or state of being able to penetrate or pass through something.

Memory Tip

Think of the word 'penetrate' which means to go through something, and remember that 'penetrance' describes the quality of being able to do just that.

Visually Confused Words