Familial inverted duplication 7p

G. B. Schaefer, K. Novak, D. Steele, B. Buehler, S. Smith, D. Zaleski, D. Pickering, M. Nelson, W. Sanger

Research output: Contribution to journalArticle

17 Scopus citations


A 10-month-old female with developmental delay and failure to thrive was referred for genetic evaluation as part of an adoption assessment. Physical exam showed a mildly beaked nose and clinodactyly, but otherwise nothing remarkable. Chromosome analysis showed an inverted duplication of the p12.2→p13 portion of chromosome 7[(46, XX, dup(7)(p13p12.2)]. The proposita's older brother, mother, and grandmother were cognitively delayed and had the same chromosome 7 duplication. A review of the literature showed no other cases involving this exact duplication.

Original languageEnglish (US)
Pages (from-to)184-187
Number of pages4
JournalAmerican journal of medical genetics
Issue number2
StatePublished - Apr 19 1995


  • chromosome 7
  • inverted duplication
  • partial trisomy 7

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

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    Schaefer, G. B., Novak, K., Steele, D., Buehler, B., Smith, S., Zaleski, D., Pickering, D., Nelson, M., & Sanger, W. (1995). Familial inverted duplication 7p. American journal of medical genetics, 56(2), 184-187. https://doi.org/10.1002/ajmg.1320560214