A karyotype you are viewing shows an extra piece of chromosome 1 attached to chromosome 22. What type of abnormality caused this?

A) translocation
B) nondisjunction
C) sex-linked
D) deletion
E) inversion


Answer: A

Biology & Microbiology

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What is the most likely explanation for the extinction of giant kangaroos in Australia?

a. glaciers b. asteroids c. hunting d. giant squid

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Hoverflies like to drop in at outdoor picnics to sample the sweets, but the reaction of humans is to flee the scene

because of the flies' uncanny resemblance to bees. Thus, the survival of hoverflies is enhanced by ____.

a. mimicry b. display behavior c. warning coloration d. chemical defenses e. camouflage

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Describe how the laws of thermodynamics would impact the Earth were the sun’s light suddenly blocked

What will be an ideal response?

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How does fermentation of glucose differ from the oxidation of glucose?

A) Fermentation of glucose is anaerobic; oxidation of glucose can be aerobic or anaerobic. B) Fermentation produces less ATP per glucose molecule than oxidation does. C) Glucose is fermented by a different metabolic pathway than when it is oxidized by respiration. D) Both a and b E) All of the above

Biology & Microbiology