Mutation Vs Variation: What’s the Difference?

In genetics, the mutation is a change in the nucleotide sequence of a gene. Mutations can occur spontaneously (by chance) or they can be induced by environmental factors like radiation or chemicals.

The mutation is the most common type of variation and it’s responsible for the variation amongst individuals in a population.

Definition of Mutation

The mutation is a change in the sequence of nucleotides in a gene. A mutation can be either benign or deleterious, but all mutations are unique. Variation is a difference between two or more populations or species, often found within a population.

The definition of mutation and variation is important to understand how they differ. The mutation is a change in the sequence of nucleotides in a gene; variation is a difference between two or more populations or species. Whereas mutation happens randomly and can be benign (generally not harmful), variation can be beneficial (helpful) or harmful (destructive).

Mutations can cause diseases, and variations can lead to different traits in organisms. For example, one type of variation might make an organism better at surviving in cold weather, while another type of variation might make it better at surviving in hot weather. Variation is important because it allows for evolution to take place and produce new species.

Definition of Variation

Variation is an inherent part of the genetic makeup of a population. It refers to the differences in observable traits between individuals in a population and is caused by different combinations of genes within that population.

Mutation, on the other hand, is a change in one gene or set of genes within a population. This change can lead to variation in observable traits, but it doesn’t always.

How do Mutations Occur?

Mutations are changes in the DNA sequence of a living organism. Most mutations affect only a single letter or base pair of DNA, but occasionally a mutation will cause a change in several letters or bases. Mutations can occur either spontaneously or as a result of exposure to radiation, chemicals, or other damaging agents.

In general, mutations that occur spontaneously are more likely to be harmful than those that result from exposure to radiation, chemicals, or other agents. However, even spontaneous mutations can have some benefits if they increase the chances of an organism surviving in its environment. For example, mutations that increase the speed of an organism’s metabolism may help it to compete with other species for food resources.

The effects of mutations vary depending on the type of mutation and the location within the DNA sequence. Some mutations may cause changes in the structure of the proteins that make up an organism’s cells, while others may affect the way genes are expressed. Many mutations are harmless and will be eliminated by the body without causing any observable effects. However, some rare mutations can lead to cancerous cells or other serious health problems.

How do Variations Occur?

Variation occurs when the genetic material of a population is changed by random events. These changes can be anything from a single mutation to a large-scale change in the DNA sequence. Mutation occurs when a gene is duplicated or deleted.

Large-scale changes in the DNA sequence can happen when chromosomes break and pieces of DNA are transferred from one chromosome to another. This process is called recombination.

What are the Consequences of Mutation and Variation?

Mutation and variation are two important concepts in biology. They can be confusing, so let’s start with a quick definition. The mutation is a change in the genetic material of an organism. This can happen due to random events, like radiation or chemicals, or it can be caused by the organism’s own cells. Variation is the difference between individuals or populations of organisms. This can be due to different environments, genes, or genetics.

Now that we’ve got that out of the way, let’s look at some consequences of mutation and variation. First, mutation can cause new genes to be created. This could lead to new abilities in an organism or new diseases. Second, variation can cause organisms to look different from one another. This could be a result of natural selection (the survival of the fittest), or it could be a result of environmental factors like climate change. Finally, mutation and variation can cause organisms to die out if they don’t find a way to adapt.

What is the Difference Between Mutation and Variation?

The mutation is a change in the genetic sequence of an organism, while variation is a difference in the observable characteristics of individuals within a population. Many believe that mutation and variation are two sides of the same coin and that they are both important for natural selection.

Mutation occurs when one or more DNA letters are changed in a gene. This can lead to changes in the way an organism behaves or looks. For example, if there’s a mutation that makes a fruit fly’s wings smaller, that fly might be better at flying but also less likely to find mates. Over time, this kind of mutation will spread through a population of flies because it improves the chances of success for those flies.

Variation, on the other hand, is simply the difference in observable characteristics among individuals in a population. These differences can be seen in everything from skin color to how tall someone is.

It’s easy to see how variation can be important for natural selection – if there are lots of different types of fruit flies with different sizes of wings, those with the biggest wings will have an advantage over those with smaller wings when it comes to finding food and mates.

So what’s the big deal about mutation and variation?

Both mutation and variation are important for natural selection because they can lead to changes in the way an organism behaves or looks. This can help those organisms survive and reproduce.


In this article, we will explore the difference between mutation and variation. Both terms are used often in genetics, but for the purposes of this article, we will focus specifically on their meanings in relation to genetics. We will also look at some examples of how each term is used in a genetic context.