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Bed head?


Do you ever suffer through bad-hair days? Blame your parents. Scientists have discovered that those annoying wisps of hair that defy hair gel may be inherited inherited

received by inheritance.


inherited achondroplastic dwarfism
see achondroplastic dwarfism.

inherited combined immunodeficiency
see combined immune deficiency syndrome (disease).
.

While studying mice, Nini Guo--a biologist at Johns Hopkins University Johns Hopkins University, mainly at Baltimore, Md. Johns Hopkins in 1867 had a group of his associates incorporated as the trustees of a university and a hospital, endowing each with $3.5 million. Daniel C.  in Maryland--found a hair-raising gene (unit of hereditary material), named "Frizzled Frizzled is a family of G protein-coupled receptor proteins[1] that serve as receptors in the Wnt signaling pathway and other signaling pathways. When activated, Frizzled leads to activation of Dishevelled in the cytosol. 6." Guo says a similar gene is found in people too.

"[Frizzled6] controls the orientation of the hair," explains Guo, causing the locks to lie in orderly patterns. The hair on mice born without Frizzled6 grows in unruly swirls and tufts.

But the scientists don't know Don't know (DK, DKed)

"Don't know the trade." A Street expression used whenever one party lacks knowledge of a trade or receives conflicting instructions from the other party.
 how the gene keeps hair in check. So while a lack of Frizzled6 may offer an excuse for a bad hair day, there's still no cure.
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Title Annotation:Life/Genetics
Author:Carswell, Lindsay
Publication:Science World
Article Type:Brief Article
Geographic Code:1USA
Date:Sep 20, 2004
Words:118
Previous Article:Don't sweat it!(Life/Adaptations)
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