Here's why:

* Hereditary Material: DNA is the primary carrier of genetic information, passed down from one generation to the next.

* Enters the Cell: DNA can be introduced into a cell through various methods, including:

* Viral Vectors: Some viruses can insert their DNA into the host cell's genome.

* Transfection: Artificial methods like electroporation or chemical treatment can deliver DNA into a cell.

* Part of Hereditary Material: When DNA enters a cell, it can integrate into the host cell's genome, becoming part of its hereditary material. This integrated DNA can be passed on to subsequent generations of the cell.

* No Replication: The introduced DNA doesn't necessarily replicate itself independently. It can be passively replicated along with the host cell's own DNA.

Important Note: The question specifies that the introduced material "doesn't destroy the cell" and "doesn't replicate itself." While DNA integration can sometimes disrupt cellular functions or lead to uncontrolled cell growth (as in cancer), it generally doesn't directly destroy the cell. Similarly, DNA integration doesn't necessarily mean that the introduced DNA will replicate independently. It often becomes part of the host cell's genome and is replicated along with it.