Trisomy 13

sex                     Chorionic Villus Sampling                                                Meiosis                  Retardation trisomy                                       allele           defect                  Iris            aneuploidy                          Spina bifida                                             Trisomy 21                          Eye                                    genetic   chromosome mapping               Translocation          Disorder                                       deaf                                      disease         Amniocentesis     cleft                   act of god                    syndrome             Williams Syndrome                                              Leiden University         Patau syndrome                    retina        Down's Syndrome         Cataract                        brain                             Hemophilia