Trisomy 21: Origin of non-disjunction
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J. Mazo; Amalia PΓ©rez Castillo; J. A. Abrisqueta
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Article
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1982
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Springer
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English
β 379 KB
The Q-band heteromorphisms of chromosome 21 were used in a sample of 48 families with a Down's syndrome child to evaluate the origin of non-disjunction. The parental origin and the meiotic error were determined in 27 families, and in eight families only partial information was obtained. Paternal and