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

Biology & Microbiology

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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?

Biology & Microbiology

The protein coat of a virus is also referred to as its:

a. cell wall. b. capsomer. c. armor. d. capsid. e. antigen.

Biology & Microbiology

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

Biology & Microbiology

Fertilization produces a

What will be an ideal response?

Biology & Microbiology