tongue rolling
Tubular lingual flex
Tongue rolling is the ability to curl the tongue into a tube shape by raising its sides.
Long taught in schools as a simple example of genetic inheritance—you either can or can't—the trait turns out to be more complex, influenced by both genes and practice.
About two-thirds of people can roll their tongues.
- geneticsScience of hereditary transmission
- traitDistinguishing personal quality
- inheritedReceived from forebears
- curlSpiral or loop form
- tubeHollow cylindrical passage
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