Home
Class 12
BIOLOGY
The microtubules of the mitotic spindle ...

The microtubules of the mitotic spindle attach to a specialized structure In the centromere region of each chromo- some, called the -

A

Kinetochore

B

Nucleosome

C

Equatorial plate

D

Centrosome

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Structure**: In the centromere region of each chromosome, there is a specialized structure that plays a crucial role during cell division. This structure is essential for the attachment of microtubules during mitosis. 2. **Identifying the Role of Microtubules**: During mitosis, microtubules form the mitotic spindle, which is responsible for separating chromosomes into daughter cells. The attachment of these microtubules to chromosomes is vital for the proper segregation of genetic material. 3. **Recognizing the Specialized Structure**: The specific structure in the centromere region that the microtubules attach to is known as the kinetochore. The kinetochore is a proteinaceous disk-like structure that forms on the centromere of each chromosome. 4. **Conclusion**: Therefore, the microtubules of the mitotic spindle attach to the kinetochore during cell division. **Final Answer**: The specialized structure in the centromere region of each chromosome that the microtubules of the mitotic spindle attach to is called the **Kinetochore**. ---
Promotional Banner

Similar Questions

Explore conceptually related problems

Specialized asexual structures in some liverworts are :

What are spindle fibres that connect the centromere to respective poles called

the structure of the chromoes to which soindle fibre are attached :

Microtubules from opposite poles of spindle get attached to kinotochores of sister chromatids during

The point of attachment of microtubules on the chromosomes is called as

The microtubules from opposite poles of the spindle get attached to the kinetochores of sister chromatids in Or At what phase of meiosis are there two cells, each with sister chromatids aligned at the spindle equator

Answer the following questions regarding the events carried out in the labelled parts of the ab ove given diagram. (1) DNA synthesis occurs in (2) Condenstaion of chromosomal material takes place in (3) Attachement of spindle fibres to kinetochores of chromosomes during (4) Initiation of the assembly of mitotic spindle during (5). Splitting of centromere and separation of chromatids in (6) Movement of chromatids to opposite poles during (7) Reformation of nucleolus, Golgi complex and ER occurs in (8) Alignment of chromosomes along metaphase plate during (9) During of cytoplasm during (10) Preparation of cell division takes place during.

The thread-like structures, which begin rediating from each centromere by the end of prophase are