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Article: A new family handedness sample with findings consistent with X-linked transmission.
- Article from:
- British Journal of Psychology
- Article date:
- February 1, 2000
- Author:
CopyrightCOPYRIGHT 2000 British Psychological Society. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Walter F. McKeever [*]
A family handedness study of 2632 families and 8605 offspring was conducted. Of the 2632 parental couples, there were 2123 in which both parents were right-handed (RR), 232 in which the mother was left-handed and the father right-handed (LR), 254 in which the mother was right-handed and the father was left-handed (RL), and 23 in which both parents were left-handed (LL). Results showed some important differences from the composite results of four earlier large scale studies that had also employed the same criterion of handedness (writing hand). These had collectively found that the incidence of left-handed offspring, of both sexes, was ...