The answer is similarity. which share visual characteristics
such as shape, size, color, texture, value or orientation will be seen as fitting
together is called Gestalt Principle Similarity is the principle of similarity situations
that things. Gestalt is a German word that carries much importance, especially
for us as designers.
The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.
