The mutations that cause genetic variation occur in the DNA of an organism. Here are the steps:

1. DNA Replication: The process begins when the DNA in an organism's cells replicates, or makes a copy of itself. This happens before cell division, so each new cell will have a complete set of DNA.

2. Error in Replication: Sometimes, an error occurs during the replication process. This could be a change in a single DNA base pair, or it could be a larger change, such as the deletion or duplication of a section of DNA.

3. Mutation: These errors are known as mutations. They introduce new genetic material into the population, which can lead to genetic variation.

4. Inheritance: If a mutation occurs in a germ cell (the cells that give rise to eggs or sperm), the mutation can be passed on to the next generation. This is how genetic variation is spread in a population.

5. Natural Selection: Over time, if a mutation provides an advantage in the environment, it may become more common in the population through a process called natural selection. This is how genetic variation can lead to evolution.

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The mutations that cause genetic variation occur in the DNA of an organism. Here are the steps:

1. DNA Replication: The process begins when the DNA in an organism's cells replicates, or makes a copy of itself. This happens before cell division, so each new cell will have a complete set of DNA.

2. Error in Replication: Sometimes, an error occurs during the replication process. This could be a change in a single DNA base pair, or it could be a larger change, such as the deletion or duplication of a section of DNA.

3. Mutation: These errors are known as mutations. They introduce new genetic material into the population, which can lead to genetic variation.

4. Inheritance: If a mutation occurs in a germ cell (the cells that give rise to eggs or sperm), the mutation can be passed on to the next generation. This is how genetic variation is spread in a population.

5. Natural Selection: Over time, if a mutation provides an advantage in the environment, it may become more common in the population through a process called natural selection. This is how genetic variation can lead to evolution.

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The mutations that cause genetic variation occur in the DNA of an organism. Here are the steps:

1. DNA Replication: The process begins when the DNA in an organism's cells replicates, or makes a copy of itself. This happens before cell division, so each new cell will have a complete set of DNA.

2. Error in Replication: Sometimes, an error occurs during the replication process. This could be a change in a single DNA base pair, or it could be a larger change, such as the deletion or duplication of a section of DNA.

3. Mutation: These errors are known as mutations. They introduce new genetic material into the population, which can lead to genetic variation.

4. Inheritance: If a mutation occurs in a germ cell (the cells that give rise to eggs or sperm), the mutation can be passed on to the next generation. This is how genetic variation is spread in a population.

5. Natural Selection: Over time, if a mutation provides an advantage in the environment, it may become more common in the population through a process called natural selection. This is how genetic variation can lead to evolution.

The mutations that cause genetic variation occur in the

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