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Estudo da origem do cromossomo 21 extra em portadores de Síndrome de Down.
(Universidade Federal de São Carlos, 1996-09-27)
Down syndrome is usually due to meiotic nondisjunction leading to trisomy 21.The origin of nondisjunction in trisomy 21 has so far been studied using cytogenetic heteromorphisms and DNA polymorphisms. Short sequence repeats ...