Quantitative Traits

Examines quantitative versus qualitative traits, looking at the use of phenotypes in determining quantitative control of heritability. Objectives Define a quantitative trait and contrast with qualitative traits. Recognize when a trait is quantitatively controlled by analyzing the distribution of phenotypes observed or measured in the F2. Describe the reasons for the distribution of phenotypes observed for a quantitative trait. Define what is meant by broad sense heritability and explain how it can be used in breeding programs. Modules: Lesson home Objectives Introduction The Inheritance of High Protein Possible Hypothesis: Is it a lack of dominance? The Next Generation Does the Lack of Dominance Hypothesis fit? Quantitative Traits Question 1 Question 2 Question 3 Question 4 Causes of Variation Estimating Heritability Variance: A measure of dispersion Summar