Document Detail

Is Weinberg's differential rule valid?
MedLine Citation:
PMID:  296644     Owner:  NLM     Status:  MEDLINE    
Weinberg's differential method, whereby the frequency of dizygotic twins in a population is obtained by doubling the number of opposite-sexed pairs, might not be valid. Data are presented indicating a higher frequency of same-sexed than opposite-sexed pairs among samples of dizygotic twins ascertained at birth, thus favoring the hypothesis that, contrary to the method's fundamental assumption, the sexes of the two twin zygotes be not independent.
W H James
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta geneticae medicae et gemellologiae     Volume:  28     ISSN:  0001-5660     ISO Abbreviation:  Acta Genet Med Gemellol (Roma)     Publication Date:  1979  
Date Detail:
Created Date:  1980-07-26     Completed Date:  1980-07-26     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0370314     Medline TA:  Acta Genet Med Gemellol (Roma)     Country:  ITALY    
Other Details:
Languages:  eng     Pagination:  69-71     Citation Subset:  IM    
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MeSH Terms
Genetic Markers
Genetics, Population
Sex Determination (Analysis)*
Statistics as Topic
Twins, Dizygotic*
Reg. No./Substance:
0/Genetic Markers

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