Match each of the following terms with its correct definition or application. Dragged and dropped options on the right-hand side will be automatically saved. For keyboard navigation... SHOW MORE ✓ Selection differential (S) Selection response (R) Narrow-sense heritability (h²) Regression coefficient = ||| ||| ||| The difference in mean trait value between the parents used in selective breeding vs. the overall population the parents were selected from. The slope of the line plotting the mean trait value of offspring as a function of the mean trait value in their two parents; providing an estimate of h2. The generation-to-generation change in the mean value of a trait due to selective breeding. Genetic variation that can be transmitted from parents to offspring; which can be estimated from parent-offspring regression or selection experiments.
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
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