Suppose the broad-sense heritability of some trait is 0.8, and the narrow-sense heritability of the same trait is 0.5. We cross a group of parents with a selection differential (SD) of 1.0 phenotypic unit (U). What is the expected selection response (SR)? a. 1.0 U
b. 0.8 U
c. 0.5 U
d. 0.2U

Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides