Select your answer:
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Biochemistry Lab DNA Structure and Function Cell Injury The Brain Our Control Center Disabilities Principles of Microbiology Inner Ear Neuroanatomy Human Anatomy and Physiology Human Organs Blood Donation Cell Vocabulary The Ankle and Lower Leg Bones and Muscles Musculoskeletal Injuries & Workstation Design PancreatitisOther quiz:
The Blood › ViewWhich blood vessel has valves to prevent the back-flow of blood?
A. Veins
B. Arteries
C. Capillaries
Population Genetics › View
A large population of a particular animal has been allowed to breed randomly for a number of generations. After several generations, 16% of the animals display a recessive trait. What proportion of the population is probably heterozygous for this trait?
A. 0.72
B. 0.36
C. 0.48
D. 0.6