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Science & Technology

Why do our teeth form in a single row ?

By T.K. Randall
March 1, 2009 · Comment icon 0 comments



Image Credit: sxc.hu
Scientists have found why mammals grow only a single row of teeth while some species such as sharks grow several.
A system of opposing genetic forces determines why mammals develop a single row of teeth, while sharks sport several, according to a study published today in the journal Science. When completely understood, the genetic program described in the study may help guide efforts to re-grow missing teeth and prevent cleft palate, one of the most common birth defects."


Source: PhysOrg.com | Comments (0)


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