Failure to replicate a QTL association between a DNA marker identified by EST00083 and IQ

Stephen A. Petrill, David Ball, Thalia Eley, Linzy Hill, Robert Plomin, Gerald E. Mcclearn, Deborah L. Smith, Karen Chorney, Michael J. Chorney, Milton S. Hershz, Douglas K. Detterman, Lee A. Thompson, Camilla Benbow, David Lubinski, Johanna Daniels, Michael J. Owen, Peter McGuffin

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

In a paper published in this journal, a possible QTL association was reported between general cognitive ability and a marker, identified by an expressed sequence tag, EST00083 (Skuder et al., 1995). In two small samples, the frequency of the common allele of this DNA marker, which was shown to be in the threonine transfer RNA gene in mitochondrial DNA, was significantly greater in a high-IQ group than in a low-IQ group. As part of the ongoing IQ QTL Project (Plomin et al., 1995), we have attempted to replicate this QTL association. First, we found that the QTL association remained significant when we compared 51 high- and 51 -average IQ subjects, drawn in part from the samples used in the previous report. However, when we examined the association in new samples of 40 extremely high-IQ subjects and 50 average-IQ subjects, the association did not replicate. This underlies the need for replication in case-control studies of allelic association.

Original languageEnglish (US)
Pages (from-to)179-184
Number of pages6
JournalIntelligence
Volume25
Issue number3
DOIs
StatePublished - Jan 1 1997

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Expressed Sequence Tags
Threonine
Transfer RNA
Mitochondrial DNA
Genetic Markers
Gene Frequency
Case-Control Studies
Genes

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Developmental and Educational Psychology
  • Arts and Humanities (miscellaneous)

Cite this

Petrill, S. A., Ball, D., Eley, T., Hill, L., Plomin, R., Mcclearn, G. E., ... McGuffin, P. (1997). Failure to replicate a QTL association between a DNA marker identified by EST00083 and IQ. Intelligence, 25(3), 179-184. https://doi.org/10.1016/S0160-2896(97)90041-6
Petrill, Stephen A. ; Ball, David ; Eley, Thalia ; Hill, Linzy ; Plomin, Robert ; Mcclearn, Gerald E. ; Smith, Deborah L. ; Chorney, Karen ; Chorney, Michael J. ; Hershz, Milton S. ; Detterman, Douglas K. ; Thompson, Lee A. ; Benbow, Camilla ; Lubinski, David ; Daniels, Johanna ; Owen, Michael J. ; McGuffin, Peter. / Failure to replicate a QTL association between a DNA marker identified by EST00083 and IQ. In: Intelligence. 1997 ; Vol. 25, No. 3. pp. 179-184.
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Petrill, SA, Ball, D, Eley, T, Hill, L, Plomin, R, Mcclearn, GE, Smith, DL, Chorney, K, Chorney, MJ, Hershz, MS, Detterman, DK, Thompson, LA, Benbow, C, Lubinski, D, Daniels, J, Owen, MJ & McGuffin, P 1997, 'Failure to replicate a QTL association between a DNA marker identified by EST00083 and IQ', Intelligence, vol. 25, no. 3, pp. 179-184. https://doi.org/10.1016/S0160-2896(97)90041-6

Failure to replicate a QTL association between a DNA marker identified by EST00083 and IQ. / Petrill, Stephen A.; Ball, David; Eley, Thalia; Hill, Linzy; Plomin, Robert; Mcclearn, Gerald E.; Smith, Deborah L.; Chorney, Karen; Chorney, Michael J.; Hershz, Milton S.; Detterman, Douglas K.; Thompson, Lee A.; Benbow, Camilla; Lubinski, David; Daniels, Johanna; Owen, Michael J.; McGuffin, Peter.

In: Intelligence, Vol. 25, No. 3, 01.01.1997, p. 179-184.

Research output: Contribution to journalArticle

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AU - Thompson, Lee A.

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AU - Daniels, Johanna

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