Question

what is centromere? in simple words​

Answer 1

Explanation:

The centromere is the specialized DNA sequence of a chromosome that links a pair of sister chromatids. During mitosis, spindle fibers attach to the centromere via the kinetochore. Centromeres were first thought to be genetic loci that direct the behavior of chromosomes. 

Answer 2

Answer:

the region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division