Chromatin condenses to form chromosomes during prophase of mitosis, and during prophase I and prophase II of meiosis. Chromatin is a dense, complex fibrous structure composed of associated proteins and molecules of deoxyribonucleic acid, or DNA, which contains the genetic material of an organism. read more
The cell's chromatin condenses into chromosomes during prophase. Incontrast, telophase is where the chromosomes loosen to formchromatins. read more