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Chapter 10: Q. 10 (page 276)

Attachment of the mitotic spindle fibers to the kinetochores is a characteristic of which stage of mitosis?

a. prophase

b. prometaphase

c. metaphase

d. anaphase

Short Answer

Expert verified

The correct option is B.

Step by step solution

01

Step. 1 Introduction

The mitotic spindle fiber seems to be a structure that arises following cell division and thus is responsible for separating identical chromosomes.

02

Step. 2 Explanation for correct option

Kinetochores form at the centromeres during prometaphase, as well as mitotic spindle microfilaments bind onto kinetochores.

03

Step. 3 Explanation for incorrect option

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

Option c. During metaphase, chromosomes align as well as each sister chromatid is connected to a spindle fibre.

Option d. Sister chromatids become drawn towards opposing poles during anaphase.

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Most popular questions from this chapter

Compare and contrast a human somatic cell to a human gamete.

If the M checkpoint is not cleared, what stage of mitosis will be blocked?

a. prophase

b. prometaphase

c. metaphase

d. anaphase

What is the main prerequisite for clearance at the G2 checkpoint?

a. cell has reached a sufficient size

b. an adequate stockpile of nucleotides

c. accurate and complete DNA replication

d. proper attachment of mitotic spindle fibres to kinetochores

A diploid cell has_______ the number of chromosomes as a haploid cell.

a. one-fourth

b. half

c. twice

d. four times

What is the relationship between a genome,

chromosomes, and genes?
See all solutions

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