Q. 10
Question
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
Step-by-Step Solution
Verified Answer
The correct option is B.
1Step. 1 Introduction
The mitotic spindle fiber seems to be a structure that arises following cell division and thus is responsible for separating identical chromosomes.
2Step. 2 Explanation for correct option
Kinetochores form at the centromeres during prometaphase, as well as mitotic spindle microfilaments bind onto kinetochores.
3Step. 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.
Other exercises in this chapter
Q. 8
Which of the following events does not occur during some stages of interphase?a. DNA duplicationb. organelle duplicationc. increase in cell sized. separation of
View solution Q. 9
The mitotic spindles arise from which cell structure? a. centromere b. centrosome c. kinetochore d. cleavage furrow
View solution Q. 11
Unpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis? a. prometaphase b. metaphase
View solution Q. 12
Separation of the sister chromatids is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophase&nbs
View solution