Article: The handedness of Kerrs and Carrs. (genealogy of Kerrs and Carrs families)

Left-handedness is present in approximately 8 per cent of the population (Seddon & McManus, 1991), and studies of handedness in families (Annett, 1985; McManus, 1991; McManus & Bryden, 1992) suggest that it is likely to be under genetic control. If handedness is indeed genetic then the search for a molecular basis for the polymorphism would be much aided by finding markers which indicated a high prevalence of left-handedness, particularly if these markers were themselves known to be under genetic control or ran in families in association with known genetic markers. In 1974 the research unit of the Royal College of General Practitioners (Research Unit, 1974) published a ...

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