Which of the conditions necessary to maintain
genetic equilibrium is the least likely to occur
in a natural population?
a. no mutations
b. an infinitely large population
c. a population isolated from other
populations
d. random mating
e. all individuals producing the same number
of offspring
B
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Your mother has albinism, which is a recessive trait. Your father has cystic fibrosis, which is also a
recessive trait. You just got married and discover that your new father-in-law has albinism and cystic fibrosis. What are the odds that your first child will have either albinism or cystic fibrosis, but not both?
a. 1/16 b. 3/8 c. 1/8 d. 1/4 e. 0
The human elbow is an example of which kind of joint?
a. synovial joint b. cartilaginous joint c. fibrous joint d. non-fibrous joint e. non-synovial joint
Which of the following act as pain-signaling molecules?
a. substance P b. morphine c. endorphins d. histamine and prostaglandins e. dopamine
Four of the following statements about Neanderthals are true. Which statement is false?
A. Neanderthals diverged from modern humans around 500,000 years ago. B. Neanderthals lived in Europe and the Middle East. C. Neanderthals are direct ancestors of Homo sapiens. D. Neanderthals stood upright. E. Neanderthals have no modern descendants.