Question
Question: Disc-shaped structures present on sides of primary constriction is called :...
Disc-shaped structures present on sides of primary constriction is called :
A
Chromatin
B
Nucleoli
C
Kinetochore
D
Satellite
Answer
Kinetochore
Explanation
Solution
The primary constriction of a chromosome is known as the centromere. On the sides of this centromere, disc-shaped structures called kinetochores are located. These kinetochores are crucial for the attachment of spindle fibers during cell division, ensuring accurate chromosome segregation.