TY - GEN AU - Nelson,David L AU - Gibbs,Richard A TI - Genetics. The critical region in trisomy 21 SN - 1095-9203 PY - 2004///1122 KW - Animals KW - Chromosome Deletion KW - Chromosomes, Human, Pair 21 KW - genetics KW - Chromosomes, Mammalian KW - Craniofacial Abnormalities KW - Crosses, Genetic KW - Disease Models, Animal KW - Down Syndrome KW - Female KW - Gene Duplication KW - Humans KW - Male KW - Mice KW - Recombination, Genetic KW - Skull KW - abnormalities KW - Trisomy N1 - Publication Type: Comment; Journal Article UR - https://doi.org/10.1126/science.1105226 ER -