Gene mutations and chromosomal abnormalities are examples of genetic alterations. Cell division is often when chromosomal problems develop.
What do genetic changes entail? The genetic code can be changed by any alteration in the DNA sequence, which may then modify how the protein it encodes is made.
Mutations can be the result of viral infection, exposure to mutagens, or mistakes in DNA replication during cell division. Somatic mutations—those that take place in body cells—cannot be passed on to progeny, whereas germline mutations—those that happen in eggs and sperm—can. Thus, a change in the genetic code that can be passed down through the generations is referred to as a mutation in biology.
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