Search for tag: "heritability"

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Selection on a single trait in AlphaSimR - Part 2 duration 9 minutes 2 seconds Selection on a single trait in AlphaSimR - Part 2 Selection on a single trait in AlphaSimR - Part 2	Selection on a single trait in AlphaSimR - Part 2 In this vignette, we will learn about simulating selection to improve a single trait and explore some of the intricacies of the breeder’s equation. (Part 2) selection values generation individuals phenotype parents differential equation generations variance population response simulation prediction heritability bit scheme loop variances weather From Geoff Fortescue 0 likes 29 plays 0 Licence Type Creative Commons - Attribution Share A Like
Simulating traits in AlphaSimR - Part 2 duration 10 minutes 30 seconds Simulating traits in AlphaSimR - Part 2 Simulating traits in AlphaSimR - Part 2	Simulating traits in AlphaSimR - Part 2 AlphaSimR simulates traits by defining the type of trait genetic effects, number of DNA sites controlling the trait, mean, genetic variance, and environmental variance. Once we simulate genetic and… values phenotype variance function heritability functions population base var effects alpha environment phenotypes difference traits vignette axis object simulation cmr From Geoff Fortescue 0 likes 21 plays 0 Licence Type Creative Commons - Attribution Share A Like Language English Date Created July 6th, 2022
Selection on a single trait in AlphaSimR - Part 1 duration 19 minutes 11 seconds Selection on a single trait in AlphaSimR - Part 1 Selection on a single trait in AlphaSimR - Part 1	Selection on a single trait in AlphaSimR - Part 1 In this vignette, we will learn about simulating selection to improve a single trait and explore some of the intricacies of the breeder’s equation. (Part 1) population phenotype individuals values base phenotypes parents selection function histogram generation units response progeny variance average heritability pop dataframe parameters From Gregor Gorjanc 0 likes 48 plays 0 Licence Type Creative Commons - Attribution Share A Like
DNA lottery in AlphaSimR Traits duration 12 minutes 33 seconds DNA lottery in AlphaSimR Traits DNA lottery in AlphaSimR Traits	DNA lottery in AlphaSimR Traits We will now look at the randomness of DNA inheritance (the DNA lottery) between parents and progeny, and how this process drives variation in genetic and phenotype values of relatives. Please watch… values phenotype cross parent progeny variation parents histogram individuals crosses population genome heritability object function trade base distribution range objects From Gregor Gorjanc 0 likes 16 plays 0 Licence Type Creative Commons - Attribution Share A Like
Selection and Response to Selection duration 7 minutes 3 seconds Selection and Response to Selection Selection and Response to Selection	Selection and Response to Selection We will look at selective breeding, demonstrating how it can improve a population, and predicting a possible response to selection. The essence in selective breeding is to identify genetically best… insilico breeding selection eggs response females generation population equation males variation dna heritability phenotype breeder differential generations simulations x. values distribution average breeding alphasimr From Geoff Fortescue 2 likes 68 plays 0 Licence Type Creative Commons - Attribution Share A Like