Biology
NULL
Medium
Question
Under a compound microscope a chromosome is made of arms and ___________?
A
Centromere
B
Centrosome
C
Chromatid
D
Centromere
✓ Official correct answer
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A
Centromere
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B
Centrosome
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C
Chromatid
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D
Centromere
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Explanation
A chromosome viewed under a compound microscope consists of two arms joined together at a constricted region called the centromere, which also serves as the attachment point for spindle fibers during cell division.