Q.21
The shortest phase of mitosis is
EXPLANATION
Branchial Respiration, Countercurrent Gas Exchange and Mitochondrial-Rich Chloride Cells in Gill Epithelium
- Stages of Mitosis:
- Mitosis is divided into four sequential phases:
- Prophase: Longest phase; chromatin condenses into chromosomes, nucleolus disappears, and mitotic spindle forms.
- Metaphase: Chromosomes align along the equatorial metaphase plate.
- Anaphase: Shortest phase of mitosis (often lasting only $2-5\text{ minutes}$). Kinetochore microtubules rapidly depolymerize, pulling sister chromatids apart toward opposite spindle poles.
- Telophase: Nuclear envelopes reassemble around separated daughter chromosomes.
- Correct Option: Option 3 (Anaphase).
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