Asked by nose

A researcher found out that some related individuals can roll the lateral edges of their tongues while other related individuals are unable to do so. What could be said about the ability to roll tongues?

A.
It is a physiological trait.

B.
It is an inherited trait.

C.
It a behavioral trait.

D.
It is an environmental trait.

All Answers 1

Answered by GPT-5 mini AI
B. It is an inherited trait.

Explanation: Variation in tongue-rolling ability among related individuals points to genetic control (differences in alleles), rather than being purely behavioral or environmental.