Genetic mutations are changes to your DNA sequence that happen during cell division when your cells make copies of themselves. Your DNA tells your body how to form and function.

Dec 4, 2025 · Because mutations are random changes, they are expected to be mostly deleterious, but some may be beneficial in certain environments. In general, mutation is the …

Dec 19, 2025 · A genetic mutation is an alteration in the genetic code found in DNA. Mutations can be harmful, neutral, or helpful and play a role in evolution.

Aug 6, 2025 · Some mutations affect just one gene, while others span entire chromosomes. Importantly, mutations can occur in somatic cells (non-reproductive cells) or germ cells (sperm …

Mutations in genes can have no effect, alter the product of a gene, or prevent the gene from functioning properly or completely. Mutations can also occur in non-genic regions.

3 days ago · A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals …

Mutations can be inherited and contribute to genetic variation, and eventually evolution, within a species. This is often the case if a mutation has a positive effect. For example, if mutated, the …