How important are chromosomes? Why is their number in a cell constant?

Chromosomes transmit hereditary information from cell to cell. Their number is constant, since this is a characteristic of the species. When dividing, their number is always doubled, and then evenly distributed among the daughter cells. Thus, the chromosome set is preserved.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.