African Americans have an incidence of 0.3 in 1,000 newborns
Native Americans have an incidence of 3.6 in 1,000 newborns
Babies may have cleft lips with or without cleft palates. Cleft palates may also occur without cleft lips
The incidence among Japanese newborns is 2.1 in 1,000
The incidence among whites is one in 1,000 newborns
Cleft lips may involve one or both sides of the lip
As well as unilateral or bilateral, cleft lips are further classified as complete or incomplete. A complete cleft is the entire lip, and usually the alveolar arch. An incomplete cleft involves only part of the lip.
no
The theory is that black people (african americans) have big lips. Obama is black, so therefore he has big lips.
The length of the opening ranges from a small notch, to a cleft that extends into the base of the nostril
The condition is congenital; that is, babies who have cleft lip, cleft palate, or both are born with the condition. For more information, see: http://familydoctor.org/online/famdocen/home/children/parents/special/birth/034.htmlit is a birth defect
There is no known means of preventing clefting
A cleft chin, or a chin with a dimple in it, almost resembling that of a butt is pretty common amongst people. All a cleft chin really is- is a Y-shaped fissure on the jaw bone.