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NEET 2020
Exam
NEET
Year
2020
Subject
Botany
Chapter
Cell Cycle and Cell Division

NEET 2020 · Botany · Cell Cycle and Cell Division

In a mitotic cycle, the correct sequence of phases is:

In a mitotic cycle, the correct sequence of phases is:

Options

  1. AS,G1,G2,MS, {G}_{1}, {G}_{2}, M
  2. BG1,S,G2,M{G}_{1}, S, {G}_{2}, M
  3. CM,G1,G2,SM, {G}_{1}, {G}_{2}, S
  4. DG1,G2,S,M{G}_{1}, {G}_{2}, S, M

Correct answer

B. G1,S,G2,M{G}_{1}, S, {G}_{2}, M

Step-by-step solution

The cell cycle is divided into two basic phases:
a. Interphase: The phase between subsequent cell divisions is called the interphase. The interphase lasts for more than 9595 % of the cell cycle. The interphase is further divided into three stages, i.e. G1,SandG2.{G}_{1}, Sand{G}_{2} .
b. M Phase (Mitotic phase): The actual cell division takes place in the M−M -phase. The M−M -phase lasts for less than 55 % of the cell cycle.
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