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Annals of Human Genetics | Vol.24, Issue.2 | | Pages 121-125
The twinning rate in Europe and Africa
SummaryData are presented on the twinning rate among Europeans and Negroes. The monozygotic twinning rate is constant; there is, however, considerable variation in the dizygotic rate. The dizygotic rate is higher among Negroes than Europeans. There are also variations within these groups. In particular there seems to be a centre of low twinning rate in south-west Europe.
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The twinning rate in Europe and Africa
SummaryData are presented on the twinning rate among Europeans and Negroes. The monozygotic twinning rate is constant; there is, however, considerable variation in the dizygotic rate. The dizygotic rate is higher among Negroes than Europeans. There are also variations within these groups. In particular there seems to be a centre of low twinning rate in south-west Europe.
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