Answer:
Hello. Let me explain.
Explanation:
Chromosomes are the complex form of chromain.
Chromatins are a strand of DNA that surounded 8 histonic proteins.
When this chromatin is pressured and complex we have Chromosome which are made of two half. Each half is called sister chromatid. This two chromatides are attached from a place which is called centromer.
In cell cycle before reaching m phase the chromatins change to chromosomes.
Hope you understand.
