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Quantitative Traits: Objectives: Don Lee Department of Agronomy and Horticulture at University of Nebraska-Lincoln, USA Lesson Navigation Tips: - Click on 'Animations' button found to the left in order to view the animation which supplements this lesson. You can also click on the animation icon within the text. - Click once on figures to see enlarged versions. - Click once on words in color to bring up their definitions. 1.) Define a quantitative trait and contrast with qualitative traits. 2.) Recognize when a trait is quantitatively controlled by analyzing the distribution of phenotypes observed or measured in the F2. 3.) Describe the reasons for the distribution of phenotypes observed for a quantitative trait. 4.) Define what is meant by broad sense heritability and explain how it can be used in breeding programs. Development of this lesson was supported in part by Cooperative State Research, Education, & Extension Service, U.S. Dept of Agriculture under Agreement Number 98-EATP-1-0403 administered by Cornell University and the American Distance Education Consortium (ADEC). Any opinions, findings, conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.