Point Mutation
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Example:
Imagine you're typing a text message, and you accidentally hit the wrong key, changing the word "cat" to "bat." This small mistake in typing is similar to a point mutation, where a single base pair in the DNA sequence is altered. Just as a single letter change can completely alter the meaning of a word in your text, altering a single base pair can change the function of a gene, sometimes leading to significant biological effects.
Practice Version
Point Mutation: A gene mutation caused by a change in a single DNA base pair. Point mutation. A point mutation is when one tiny piece of DNA is swapped for another, changing the genetic code.