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X-LINKAGE, LYONIZATION AND A FEMALE PREMIUM IN THE VERBAL IQ RESULTS OF ORKNEY SCHOOLCHILDREN, 1947–75

Published online by Cambridge University Press:  02 April 2001

JOAN D. T. GOODMAN  and
R. B. ANDERTON
JOAN D. T. GOODMAN
Affiliation:
89 Rutherglen Road, Abbey Wood, London SE2 0XU
R. B. ANDERTON
Affiliation:
89 Rutherglen Road, Abbey Wood, London SE2 0XU
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Abstract

This paper reports the preliminary findings of an analysis of the Moray House (verbal IQ) results of a base sample of 4383 Orkney children due to be tested in the schools at age 11±1½ years in 1947–75. Girls enjoy a 3·63% premium relative to phenotypically equivalent boys at test age. Relationships within the sample, which includes some members of the parental generation, are known. The trait is found to be X-linked, with nine phenotypes in the boys, and lyonization is involved.

Type
Research Article
Information
Journal of Biosocial Science , Volume 29 , Issue 1 , January 1997 , pp. 63 - 72
Copyright
© 1997 Cambridge University Press

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