Cell Cycle and Cell Division Question 22
22. 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 move to spindle equator
(b) Metaphase $\hspace{5mm}$- $\hspace{5mm}$ spindle fibres attached to kinetochores, centromeres split and chromatids separate
(c) Metaphase $\hspace{5mm}$- $\hspace{5mm}$ chromosomes moved 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 chromatides 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.