Multiple Choice
Metaphase is characterized by which of the following events?
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9. Mitosis and Meiosis
Mitosis
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In mitosis, where are the duplicated sister chromatids joined together before they are separated into daughter cells?
A
At the centromere
B
At the telomere
C
At the centrosome
D
At the spindle fibers
Verified step by step guidance1
Understand the structure of a duplicated chromosome during mitosis: it consists of two identical sister chromatids.
Recall that sister chromatids are physically connected at a specific region that holds them together until they are separated.
Identify the centromere as the specialized DNA region where the sister chromatids are joined.
Recognize that the centromere is distinct from other chromosome regions such as telomeres (chromosome ends) and centrosomes (organelles involved in spindle formation).
Conclude that the duplicated sister chromatids are joined together at the centromere before being pulled apart into daughter cells.
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