Location: Chromosomes and chromatid are located in the nucleus of plant and animal cells
Structure: Cromatin are an uncondensed form of DNA, and when it comes time to reproduce, the DNA winds itself into a chromosome.
Function: Chromosomes and Chromatin make living things what they are. They carry on the information needed to reproduce, grow, and thrive. Citation: http://www.diffen.com/difference/Chromatin_vs_Chromosome