chromosomes

Nucleus: Structure and Functions

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It is one the most important and largest cellular organelle which has a diameter of 10 µm to 22µm occupying about 10% of total volume of the cell. All the cells in the body possess nucleus except red blood cells. On the basis of presence of nucleus in the cells, the cells are classified as … Read more

Chromosomes: structure and functions

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Chromosomes: structure and functions

Introduction Karl Wilhelm von Nägeli in 1842 discovered a thread like structure which was called chromosomes. They are the filamentous bodies typically present in the nucleus and become visible during cell division. They are the carriers of hereditary materials called genes. Most of the chromosomes on a cell are called heterosome and only one to two … Read more