📖 what
What is a mutation?
GeneticsMutation
Quick Answer
A mutation is a change in the DNA sequence. It can be harmless, harmful, or occasionally beneficial.
The Full Story
A mutation is any alteration in the DNA sequence, from a single-letter change to large insertions, deletions, or rearrangements. Mutations can happen during DNA copying, after exposure to radiation or chemicals, or through errors in repair. Some mutations have no noticeable effect, while others can alter proteins or gene regulation and contribute to inherited disorders or cancer. Mutations are also the raw material of evolution.
Key Facts
1.Mutations can affect one DNA letter or large chromosome segments
2.Many mutations are neutral
3.Mutations are a source of genetic variation
YouTube Angle
Suggested video title for this topic:
"The tiny DNA changes that can matter a lot"