What structure is located at the junction of the small
and large intestines?
a. cecum
b. rectum
c. anus
d. sphincter
e. pharynx
Answer: a
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Life-threatening aneurisms are most likely to occur in
A) veins. B) venules. C) capillaries. D) arterioles. E) arteries.
How can an individual whose parents did not have the "fish odor syndrome" trait inherit that trait?
a. If each parent were a silent carrier of the "fish odor syndrome," then their offspring would have a 25% chance of having the syndrome. b. The "fish odor syndrome" trait is inherited extra-genetically. c. If each parent were a silent carrier of the "fish odor syndrome," then their offspring would have a 100% chance of having the syndrome. d. If each parent were a silent carrier of the "fish odor syndrome," then their offspring would have a 50% chance of having the syndrome. e. Under the circumstances outlined above, the "fish odor syndrome" cannot be inherited.
In a dihybrid cross AA BB × aa bb, what proportion of heterozygotes for both gene pairs is expected among the F2 offspring?
A) 1/4 B) 1/2 C) 3/4 D) All are heterozygotes. E) None are heterozygotes.