Point Mutation

Point mutation explained in an easy to understand way:

Point Mutation Simple Definition
Point Mutation Definition

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 Definition

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.