Tongue rolling

Tongue rolling is the ability to roll the lateral edges of the tongue upwards into a tube.wikipedia
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Tongue

Glossusforamen cecumblade
Tongue rolling is the ability to roll the lateral edges of the tongue upwards into a tube.
These muscles alter the shape of the tongue by lengthening and shortening it, curling and uncurling its apex and edges as in tongue rolling, and flattening and rounding its surface.

Mendelian traits in humans

List of Mendelian traits in humanscongenital traitshuman traits inherited through patients' families

Heredity

hereditaryinheritedinheritance
Popular belief holds that variation in this ability is the result of genetic inheritance.

Dominance (genetics)

autosomal recessiverecessiveautosomal dominant
Rolling the tongue into a tube shape is often described as a dominant trait with simple Mendelian inheritance, and it is commonly referenced in introductory and genetic biology courses.

Mendelian inheritance

Mendelian geneticsMendelianMendel's laws
Rolling the tongue into a tube shape is often described as a dominant trait with simple Mendelian inheritance, and it is commonly referenced in introductory and genetic biology courses.

Biology

biologicalBiological Sciencesbiologist
Rolling the tongue into a tube shape is often described as a dominant trait with simple Mendelian inheritance, and it is commonly referenced in introductory and genetic biology courses.

Twin study

twin studiestwinstudies of twins
A 1975 twin study found that identical twins were no more likely than fraternal twins to both have the same phenotype for tongue rolling.

Phenotype

phenotypicphenotypesphenotypically
A 1975 twin study found that identical twins were no more likely than fraternal twins to both have the same phenotype for tongue rolling.

Sulcalization

groovedsulcalizedsulcal
Tongue rolling