Cell Cycle And Cell Division Ques 12
12. A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics?
[NEET Kar. 2013]
(a) Late prophase $\hspace{5mm}$- $\hspace{5mm}$chromosomes align at spindle equator
(b) Metaphase $\hspace{5mm}$- $\hspace{5mm}$ spindle fibres attached to kinetochores, centromeres remain intact and chromatids align at the metaphase plate
(c) Metaphase $\hspace{5mm}$- $\hspace{5mm}$ chromosomes move to spindle equator; chromosomes made up of two sister chromatids
(d) Anaphase $\hspace{5mm}$- $\hspace{5mm}$ centromeres split and chromatids separate and start moving away
Show Answer
Answer : c
Hints & Solutions
(c) Metaphase chromosome is made up of two sister chromatids which are held together by the centromere. Chromosomes are moved to spindle equator and get aligned along metaphase plate through spindle fibres to both poles.
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