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- Falconers_formula abstract "Falconer's formula is used in twin studies to determine the genetic heritability of a trait based on the difference between twin correlations.The formula is Hb2 = 2(rmz - rdz), where Hb2 is the broad sense heritability, rmz is the (monozygotic, MZ) identical twin correlation, and rdz is the (dizygotic, DZ) fraternal twin correlation. The correlation of same sex MZ twins is always higher than the DZ twin correlation with various sexes and thus all gender differences are evaluated as heritable. To avoid this error, only genetic studies comparing MZ twins with the same sex DZ twins are valid. Or correlation between A = hb2 (additive genetics) and C (common environment) must be included in derivationrmz = A + C + 2 Corr(A,C)rdz = ½A + C + 2 Corr(½A,C)and can not be neglected (also as covariance in the statistical model).It is also possible to do narrow-sense heritability estimates by using sibling/adoptee correlations:hn2 = rsib - rad, where hn2 is the narrow sense heritability, rsib is the sibling correlation, and rad is the adoptee correlation.".
- Falconers_formula wikiPageID "7862454".
- Falconers_formula wikiPageLength "1710".
- Falconers_formula wikiPageOutDegree "13".
- Falconers_formula wikiPageRevisionID "704190042".
- Falconers_formula wikiPageWikiLink Category:Genetics.
- Falconers_formula wikiPageWikiLink Category:Statistical_genetics.
- Falconers_formula wikiPageWikiLink Correlation_and_dependence.
- Falconers_formula wikiPageWikiLink Covariance.
- Falconers_formula wikiPageWikiLink Douglas_Scott_Falconer.
- Falconers_formula wikiPageWikiLink Genetics.
- Falconers_formula wikiPageWikiLink Heritability.
- Falconers_formula wikiPageWikiLink Phenotypic_trait.
- Falconers_formula wikiPageWikiLink Quantitative_genetics.
- Falconers_formula wikiPageWikiLink Sex_differences_in_humans.
- Falconers_formula wikiPageWikiLink Twin.
- Falconers_formula wikiPageWikiLink Twin_study.
- Falconers_formula wikiPageWikiLinkText "Falconer's formula".
- Falconers_formula wikiPageUsesTemplate Template:Genetics-stub.
- Falconers_formula wikiPageUsesTemplate Template:Statistics-stub.
- Falconers_formula subject Category:Genetics.
- Falconers_formula subject Category:Statistical_genetics.
- Falconers_formula hypernym Hb.
- Falconers_formula type Type.
- Falconers_formula type Field.
- Falconers_formula type Type.
- Falconers_formula comment "Falconer's formula is used in twin studies to determine the genetic heritability of a trait based on the difference between twin correlations.The formula is Hb2 = 2(rmz - rdz), where Hb2 is the broad sense heritability, rmz is the (monozygotic, MZ) identical twin correlation, and rdz is the (dizygotic, DZ) fraternal twin correlation. The correlation of same sex MZ twins is always higher than the DZ twin correlation with various sexes and thus all gender differences are evaluated as heritable.".
- Falconers_formula label "Falconer's formula".
- Falconers_formula sameAs Q1393991.
- Falconers_formula sameAs Falconer-Formel.
- Falconers_formula sameAs m.026gpck.
- Falconers_formula sameAs Q1393991.
- Falconers_formula wasDerivedFrom Falconers_formula?oldid=704190042.
- Falconers_formula isPrimaryTopicOf Falconers_formula.