While it is unethical to devise an experiment in which you manipulate the lives of human twins, it is ethical to design an experiment involving mice twins. There are measures of mice personality characteristics. You can even purchase large numbers of mice that are genetically identical at conception in the form of cloned mice. You have been asked to design a study that looks at the contribution of genetics to anxiety in mice. Which design would best serve your goal?
a. Random mice, raised in identical conditions
b. Two groups of cloned mice raised in identical conditions
c. Two groups of cloned mice each raised under different conditions
d. Four groups of mice two random, two cloned each raised under different conditions.
Question 2
Which of the following would be the most accurate conclusion of the Finn Twin Study?
a. For most significant behaviors, environment is the dominant factor.
b. For most significant behaviors, genetics is the dominant factor.
c. The relative importance of genetics and environment varies depending on the question.
d. Modern genetic analysis makes it almost impossible to differentiate between genetic and environmental influence.
Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Faces in experiment
Samples from the range of continuous variation in human eye color. Different alleles of more than on
Humulin, a recombinant form of human insulin
Human and great ape chromosome evolution