Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,923,467,203 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

dizygotic twin

    0.01 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.dizygotic twin - either of two twins who developed from two separate fertilized eggs
twin - either of two offspring born at the same time from the same pregnancy


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Add definition
Mentioned in?  References in periodicals archive?   Dictionary browser?   Full browser?
 
While both genetics and environment have a role to play in the relationship between height and cognition, environmental factors appear to be responsible for two-thirds of the height-intelligence correlation, according to research conducted on cross-trait (height and intelligence), cross-twin correlations between monozygotic and dizygotic twin pairs.
The sequential cohort study included data from 749 monozygotic twin pairs and 687 dizygotic twin pairs between the age of 8 and 17 and their parents.
Bailey and Pillard (1991) published their study to considerable argument over their finding of a 52% concordance for homosexuality among monozygotic twins and 22% among dizygotic twins.
 
 
 
Dictionary, Thesaurus, and Translations
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.