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Chapter 10: Q. 13 (page 276)

The chromosomes become visible under a light microscope during which stage of mitosis?

a. prophase

b. prometaphase

c. metaphase

d. anaphase

Short Answer

Expert verified

The correct answer is A.

Step by step solution

01

Step. 1 Introduction

A light microscope is one science laboratory apparatus or device that identifies, magnifies, and enlarges extremely small items using light waves.

02

Step. 2 Explanation of correct option

The nucleolus dissolves during prophase, and the chromosomes condense by becoming visible.

03

Step. 3 Explanation for the incorrect answer.

Option b. Kinetochores occur at the centromeres during prometaphase, and microtubules bind to kinetochores.

Option c. During metaphase, chromosomes align and sister chromatid becomes connected to a spindle fibre.

Option d. Chromosomes get driven toward opposing poles during anaphase.

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