Down Syndrome, All are seen except
Majority of translocations in Down syndrome are fusions at the centromere between chromosomes 13,14,15,21 and 22.These are known as Robeson I an translocation. t(11:14 ) is not seen in down syndrome. Reference : Nelson TB of pediatrics 19th edition pg 402.
t (14 ; 21)
Trisomy 21
t (11:14)
t (15:21)
Genetic and genetic disorders