As a component of cell division, shown by 8 models with 2 explanatory introductory models, model enlarged many times, made in SOMSO-Plast®. After Studiendirektor Christian Groß. The series shows the processes of meiosis in the division of chromosomes and the arrangement of genomum within the cell multiplication. The crossing-over processes are not shown. Model in one piece. Individually mounted on a stand with green base.