Analysis of human chromosome 2 reveals that it was produced by the ____ that are still present in our closest
ancestral ape relatives.
a. fusion of many larger chromosomes
b. fusion of two smaller chromosomes
c. inversion of several centromeres
d. reversal of centromere locations
e. division of one larger chromosome
ANSWER: b
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Which of the following questions is answered during the G2 checkpoint of the cell cycle?
a. Have all chromosomes been replicated without damage? b. Are conditions favorable for cell division to begin? c. Are all chromatids attached correctly to the spindle microtubules? d. Are there adequate reserves to release the cell?
The protein coat of a virus is also referred to as its:
a. cell wall. b. capsomer. c. armor. d. capsid. e. antigen.
The key point in Darwin's proposal is that the ________ imposes the conditions that determine the direction of selection.
A. gene B. parent C. individual D. environment
Fertilization produces a
What will be an ideal response?