Since reading about the hair whorl study, I’ve been checking out the tops of men’s heads to see which way their whorl turns. While standing on a Brown Line train next to passengers fortunate ...

Hair whorls are an easily observed human trait. Scalp hair whorl pattern is typically defined by either a single or double whorl and the direction of the whorl direction (clockwise ...

Traditionally, hair whorls are categorized by a whorl number, single or double, as well as direction, whether they swirl clockwise or counterclockwise.

The first gene mapping study on human scalp hair whorls not only shows that hair whorl direction has a genetic basis, but also that it is affected by multiple genes. Four associated genetic ...

The late Indian geneticist Amar J. S. Klar conducted research to see if there was a genetic link between handedness and hair-whorl direction and found that 8.4% of right-handed people and 45% of ...

These whorls have four genetic variants that can alter the appearance of hair. Turns out you can blame your family: A new study has found it's all in the genes. (iStock) ...

The typical hair whorl in 95% of Caucasian infants is a single parietal hair whorl; 80% of these rotate clockwise. Double parietal hair whorls (Fig 4) are a normal variant in 5% of individuals. [ 3 ] ...

In twins 70 percent had hair whorls going the same direction—and 86 percent of all twins had clockwise whorls. In the nontwin French kids, only about 4 percent of kids had a counterclockwise whorl.

Hair-Whorls and Homos. By The Daily Dish. March 27, 2006. Share. Save. Is there a connection between the direction of a hair whorl on your head and your sexual orientation?

Since hair whorls originate from ectoderm like the brain, for a geneticist, it is like a fingerprint. And that’s fascinating.” ‘For the last 15 years, people have been really selective for cattle ...