Length of Y chromosome and activity in boys.

Clinical Genetics
J Nielsen, E Nordland

Abstract

In a cytogenetic-psychological study of 47 school boys in special classes and 48 controls in normal classes in a Danish city no significant difference was found between the mean Y length. There were, however, four boys with enlarged Y among the 47 in special classes, compared with one of the 48 in the normal classes. We found a significant correlation between length of Y and level of activity with increase of level of activity correlated with increase of length of Y when both groups were taken together (P is less than 0.005). The mean activity score was 6.5 for the boys with Y/F is less than or equal to 0.83, compared with 8.1 for those with Y/F greater than or equal to 0.95 (P is less than 0.005). If the milieu is restrictive with poor understanding and support for the needs of a boy, a comparatively large Y with associated high level of activity might intensify the problems of such a boy. If the milieu is positive, understanding, permissive and with possibilities of channeling activity, the large Y associated with a high level of activity might be a positive factor in personality and social adjustment. The present study shows certain tendencies confirming this.

References

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Citations

Feb 1, 1983·Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie·B J McConvilleJ Berry
Aug 31, 2017·European Journal of Human Genetics : EJHG·Akhlaq A MaanMaciej Tomaszewski
Apr 1, 1977·Clinical Genetics·D Soudek
Jan 1, 1979·Annals of Human Genetics·I C BeltranB M Page
Jan 1, 1978·American Journal of Medical Genetics·S J FunderburkJ R Westlake
Jan 1, 1980·Human Genetics·E M Bühler
Jan 1, 1981·Human Genetics·K YamadaH Hasekura
Oct 1, 1984·Clinical Genetics·P VidebechB Krag-Olsen
Jun 1, 1976·Clinical Genetics·J Nielsen, K Rasmussen

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