D ▁can ▁occur ▁as ▁a ▁random ▁event ▁during ▁the ▁formation ▁of ▁egg ▁or ▁s perm ▁cells ▁or ▁may ▁happen ▁in ▁early ▁f etal ▁development . ▁ ▁Di agn osis ▁ ▁Management ▁ ▁Ep ide mi ology ▁Don na i – B arrow ▁synd rome ▁appears ▁to ▁be ▁a ▁rare ▁dis order . ▁A ▁few ▁dozen ▁affected ▁individuals ▁have ▁been ▁reported ▁in ▁many ▁regions ▁of ▁the ▁world . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Category : Cell ▁surface ▁re ceptor ▁def ic ien cies ▁Category : S y nd rom es ▁affect ing ▁the ▁eyes ▁Category : S y nd rom es ▁with ▁c ran io fa cial ▁ab normal ities ▁Category : S y nd rom es ▁affect ing ▁hearing ▁Category : R are ▁synd rom es <0x0A> </s> ▁Ali ▁Ott man ▁( , ▁; ▁born ▁February ▁ 8 , ▁ 1 9 8 7 ) ▁is ▁an ▁Arab - Is ra eli ▁footballer , ▁who ▁currently ▁plays ▁for ▁B ne i ▁Sak hn in . ▁ ▁References ▁▁ ▁Category : 1 9 8 7 ▁birth s ▁Category : L iving ▁people ▁Category : A rab - Is ra eli ▁football ers ▁Category : Is ra eli ▁football ers ▁Category : A rab ▁citizens ▁of ▁Israel ▁Category : Is rael ▁international ▁football ers ▁Category : M acc abi ▁Ha ifa ▁F . C . ▁players ▁Category : Is ra eli ▁Premier ▁League ▁players ▁Category : L iga ▁Le um it ▁players ▁Category : Foot ball ▁players ▁from ▁Sak hn in ▁Category : Pe