'Genetic correlation' diaporamas de présentation

Conflict and Cooperation

Conflict and Cooperation. Lecture 7. Lecture Outline. Evolutionary game theory Sexual selection Kin selection and the evolution of cooperation Selfish genes. John Maynard Smith. John Nash. William Hamilton. Evolutionary Game Theory.

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What makes us who we are? Nature and Nurture

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Bivariate Model: traits A and B measured in twins

Bivariate Model: traits A and B measured in twins. cb. ca. Questions. Do the genes that influence trait B also influence trait A? Are there genes that are unique to trait A? Is the phenotypic correlation caused by genetic correlation?

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Bivariate Model: traits A and B measured in twins

Bivariate Model: traits A and B measured in twins. cb. ca. Questions. Do the genes that influence trait B also influence trait A? Are there genes that are unique to trait A? Is the phenotypic correlation caused by genetic correlation?

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Things to be Remembered

Things to be Remembered. Heritability is estimated for the traits and not for the Individuals It may vary from population to population ----(each population has different genetic make up) It may vary from location to location -----(each location has different populations and environment)

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Practical

Practical. SCRIPT: F:meike2010Multi_pracMultivariateTwinAnalysis_MatrixRaw.r DATA: DHBQ_bs.dat. DATA. - General Family Functioning, Subjective Happiness - T1, T2, brother, sister - missing -999. DATA. require(OpenMx) source("GenEpiHelperFunctions.R")

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Multivariate Twin Analysis

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How is sexual selection different from natural selection?

How is sexual selection different from natural selection?. Asexual or selfing population: Survive > grow > reproduce = fitness Outcrossing sexual population: Survive > grow > find a mate > reproduce = fitness. Biological basis of sexual selection.

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PARAMETER GENETIK

PARAMETER GENETIK. Genetic parameters (h 2 , r dan r G ). Variable/ trait : 1. Coat color 2. Horn/hornless Animal power (work/ plough in paddy field) 4. Milk production, number of progeny. Genetic : breed, genetic group, linebred

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INTRODUCTION

INTRODUCTION AIPL began receiving data on individual breedings, including heifer breedings, in ? Oct. 2003 Literature on U.S. heifer fertility appears to be sparse Information on factors affecting heifer fertility, as well as genetic and phenotypic parameters, could be useful for:

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