Publication:

Analysis of DNA polymorphisms suggests that most de novo dup(21q) chromosomes in patients with Down syndrome are isochromosomes and not translocations

Date

Date

Date
1990
Journal Article
Published version

Citations

Citation copied

Antonarakis, S. E., Adelsberger, P. A., Petersen, M. B., Binkert, F., & Schinzel, A. A. (1990). Analysis of DNA polymorphisms suggests that most de novo dup(21q) chromosomes in patients with Down syndrome are isochromosomes and not translocations. American Journal of Human Genetics, 47, 968–972.

Abstract

Abstract

Abstract

Down syndrome is rarely due to a de novo duplication of chromosome 21 [dup(21q)]. To investigate the origin of the dup(21q) and the nature of this chromosome, we used DNA polymorphisms in 10 families with Down syndrome due to de novo dup(21q). The origin of the extra chromosome 21q was maternal in six cases and paternal in four cases. Furthermore, the majority (eight of 10) of dup(21q) chromosomes were isochromosomes i(21q) (four were paternal in origin, and four were maternal in origin); however, in two of 10 families the dup(21q) ch

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Acq. date: 2025-11-14

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65 since deposited on 2023-04-21
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Additional indexing

Creators (Authors)

  • Antonarakis, Stylianos E
    affiliation.icon.alt
  • Adelsberger, Patricia A
    affiliation.icon.alt
  • Petersen, Michael B
    affiliation.icon.alt
  • Binkert, Franz
    affiliation.icon.alt
  • Schinzel, Albert A
    affiliation.icon.alt

Journal/Series Title

Journal/Series Title

Journal/Series Title

Volume

Volume

Volume
47

Number

Number

Number
6

Page range/Item number

Page range/Item number

Page range/Item number
968

Page end

Page end

Page end
972

Item Type

Item Type

Item Type
Journal Article

Dewey Decimal Classifikation

Dewey Decimal Classifikation

Dewey Decimal Classifikation

Keywords

Genetics, Genetics (medical), Down syndrome

Language

Language

Language
English

Publication date

Publication date

Publication date
1990-12

Date available

Date available

Date available
2023-04-21

Publisher

Publisher

Publisher

ISSN or e-ISSN

ISSN or e-ISSN

ISSN or e-ISSN
0002-9297

OA Status

OA Status

OA Status
Closed

Free Access at

Free Access at

Free Access at
Pubmed ID

PubMed ID

PubMed ID

PubMed ID

Other Identification Number

Other Identification Number

Other Identification Number
PMCID: PMC1683910

Metrics

Downloads

2 since deposited on 2023-04-21
Acq. date: 2025-11-14

Views

65 since deposited on 2023-04-21
63last week
Acq. date: 2025-11-14

Citations

Citation copied

Antonarakis, S. E., Adelsberger, P. A., Petersen, M. B., Binkert, F., & Schinzel, A. A. (1990). Analysis of DNA polymorphisms suggests that most de novo dup(21q) chromosomes in patients with Down syndrome are isochromosomes and not translocations. American Journal of Human Genetics, 47, 968–972.

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