Gene mutations are the result of changes in the nucleotide sequence in a DNA molecule within a single gene. Result – another protein is synthesized, which leads to a change in the corresponding trait of the body. This is the most important source of hereditary variability of organisms.
With chromosomal mutations, the amount of genetic material changes.
With genomic mutations, the signs of the body change.
All this is an important source of variability in evolution and selection.
This is the most important source of hereditary variability of organisms.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.