A 1927 Study Supports a Current Genetic Model for Inheritance of Human Scalp Hair-Whorl Orientation and Hand-Use Preference Traits | Zendy

Amar J. S. Klar | Zendy

Open Access

A 1927 Study Supports a Current Genetic Model for Inheritance of Human Scalp Hair-Whorl Orientation and Hand-Use Preference Traits

Author(s) -

Amar J. S. Klar

Publication year - 2005

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1534/genetics.104.039990

Subject(s) - whorl (mollusc) , biology , trait , preference , scalp , inheritance (genetic algorithm) , allele , orientation (vector space) , genetics , evolutionary biology , gene , anatomy , zoology , computer science , geometry , microeconomics , mathematics , genus , economics , programming language

The basis of right- vs. left-hand-use preference in humans has been debated for a long time. Culturally learned, birth stress, and biologically specified causes are the prominent etiologies under consideration. A 2003 (Klar 2003) study reported a correlation between a person's preferred hand and the scalp hair-whorl orientation developed on the head. By reinterpreting results of a 1927 (Schwarzburg 1927) study on the genetics of the hair-whorl trait, support for a recent single gene, two-allele "random-recessive model" for both hair-whorl orientation and handedness trait inheritance is demonstrated.

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