Results 21 to 30 of about 422,026 (334)

Avoiding dynastic, assortative mating, and population stratification biases in Mendelian randomization through within-family analyses

Nature Communications, 2020
Estimates from Mendelian randomization studies of unrelated individuals can be biased due to uncontrolled confounding from familial effects. Here we describe methods for within-family Mendelian randomization analyses and use simulation studies to show ...
B. Brumpton, E. Sanderson, K. Heilbron, F. Hartwig, S. Harrison, G. Vie, Yoonsu Cho, Laura D. Howe, Amanda Hughes, D. Boomsma, A. Havdahl, J. Hopper, M. Neale, M. Nivard, N. Pedersen, C. Reynolds, E. Tucker-Drob, A. Grotzinger, L. Howe, T. Morris, Shuai Li, Ben Eleanor Karl Fernando Pires Sean Gunnhild Åberge Y Brumpton Sanderson Heilbron Hartwig Harrison Vie C, B. Brumpton, E. Sanderson, F. Hartwig, S. Harrison, G. Vie, Yoonsu Cho, A. Havdahl, M. Neale, M. Nivard, A. Grotzinger, T. Morris, A. Auton, F. Windmeijer, Wei-Min Chen, J. Bjørngaard, K. Hveem, C. Willer, D. M. Evans, J. Kaprio, G. D. Smith, B. Åsvold, G. Hemani, N. M. Davies, Karl Adam Heilbron Auton, C. Willer, D. M. Evans, J. Kaprio, G. Davey Smith, G. Hemani, N. M. Davies   +51 more
semanticscholar   +1 more source

Assortative Mating on Ancestry-Variant Traits in Admixed Latin American Populations

Frontiers in Genetics, 2019
Assortative mating is a universal feature of human societies, and individuals from ethnically diverse populations are known to mate assortatively based on similarities in genetic ancestry. However, little is currently known regarding the exact phenotypic
Emily T. Norris, Emily T. Norris, Emily T. Norris, Lavanya Rishishwar, Lavanya Rishishwar, Lavanya Rishishwar, Lu Wang, Lu Wang, Andrew B. Conley, Aroon T. Chande, Aroon T. Chande, Aroon T. Chande, Adam M. Dabrowski, Augusto Valderrama-Aguirre, Augusto Valderrama-Aguirre, I. King Jordan, I. King Jordan, I. King Jordan   +17 more
doaj   +1 more source

Size-assortative mating in simultaneous hermaphrodites: an experimental test and a meta-analysis [PDF]

, 2015
Assortative mating by size has been argued to be widespread in the animal kingdom. However, the strength of size-assortative mating is known to vary considerably between species and the underlying mechanisms promoting this inter-specific variation remain
Alda, Maria del Pilar, Bonel, Nicolás, Chapuis, Elodie, Christophe, Ananda, Graham, Stuart, Janicke, Tim, Meconcelli, Stefania, Patrice David, Sartori, Kevin   +8 more
core   +4 more sources

The genetic correlation between height and IQ: shared genes or assortative mating? [PDF]

PLoS Genetics, 2013
Traits that are attractive to the opposite sex are often positively correlated when scaled such that scores increase with attractiveness, and this correlation typically has a genetic component.
Matthew C Keller, Christine E Garver-Apgar, Margaret J Wright, Nicholas G Martin, Robin P Corley, Michael C Stallings, John K Hewitt, Brendan P Zietsch   +7 more
doaj   +1 more source

Simulations and directed acyclic graphs explained why assortative mating biases the prenatal negative control design

Journal of Clinical Epidemiology, 2020
Objective The negative control design can be used to provide evidence for whether a prenatal exposure–outcome association occurs by in utero mechanisms.
P. Madley-Dowd, D. Rai, S. Zammit, J. Heron   +3 more
semanticscholar   +1 more source

Assortative mating, sexual selection and their consequences for gene flow in Littorina

bioRxiv, 2020
When divergent populations are connected by gene flow, the establishment of complete reproductive isolation usually requires the joint action of multiple barrier effects.
S. Perini, M. Rafajlović, A. Westram, K. Johannesson, R. Butlin   +4 more
semanticscholar   +1 more source

Assortative mating in Gastropoda: A meta-analysis

Biosystems Diversity, 2023
The term ‘assortative mating’ denotes situations when the choice of a mating partner is nonrandom and the phenotypes across mate pairs are correlated, either positively or negatively.
S. S. Kramarenko, A. S. Kramarenko
doaj   +1 more source

Multidimensional perfectionism and assortative mating: A perfect date? [PDF]

, 2015
Assortative mating has been found regarding personality traits, personal attitudes and values, and cognitive abilities, but so far no study has investigated assortative mating regarding multidimensional perfectionism.
Hoffmann, Adrian, Musch, Jochen, Stoeber, Joachim   +2 more
core   +1 more source

Understanding the Social Dynamics of Breeding Phenology: Indirect Genetic Effects and Assortative Mating in a Long-Distance Migrant

American Naturalist, 2020
Phenological traits, such as the timing of reproduction, are often influenced by social interactions between paired individuals. Such partner effects may occur when pair members affect each other’s prebreeding environment.
M. Moiron, Y. Araya-Ajoy, C. Teplitsky, S. Bouwhuis, A. Charmantier   +4 more
semanticscholar   +1 more source

Acasalamento dirigido para aumentar a produção de animais geneticamente superiores e reduzir a variabilidade da progênie em bovinos Mating strategy for increasing the probability of producing outstanding animals and reducing progeny variability

Revista Brasileira de Zootecnia, 2009
Por meio da utilização de um programa de acasalamento dirigido e de simulação de dados, foram avaliadas e comparadas estratégias alternativas de acasalamento para aumentar a probabilidade de produzir animais superiores e reduzir a variabilidade da ...
Haroldo Henrique de Rezende Neves, Roberto Carvalheiro, Vânia Cardoso, Luiz Alberto Fries, Sandra Aidar de Queiroz   +4 more
doaj   +1 more source