The changes in allele frequencies within a population may result from mutations. Mutations are changes in the nucleotide sequences of an organism's DNA. Here's a step-by-step explanation:

1. DNA is the genetic material of an organism and is composed of nucleotides. Each nucleotide contains a sugar, a phosphate group, and a nitrogenous base. The sequence of these bases determines the genetic information.

2. A mutation is a change in this sequence. This can happen in several ways, such as through the deletion or insertion of bases, or the substitution of one base for another.

3. When a mutation occurs, it can create a new allele. An allele is a variant form of a gene.

4. If this new allele provides a survival advantage, it may increase in frequency within the population over generations. This is due to natural selection, where individuals with traits that enhance survival and reproduction are more likely to pass on their genes to the next generation.

5. Conversely, if the new allele is harmful, it may decrease in frequency within the population over generations.

6. Therefore, mutations can lead to changes in allele frequencies within a population, driving evolution.

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The changes in allele frequencies within a population may result from mutations. Mutations are changes in the nucleotide sequences of an organism's DNA. Here's a step-by-step explanation:

1. DNA is the genetic material of an organism and is composed of nucleotides. Each nucleotide contains a sugar, a phosphate group, and a nitrogenous base. The sequence of these bases determines the genetic information.

2. A mutation is a change in this sequence. This can happen in several ways, such as through the deletion or insertion of bases, or the substitution of one base for another.

3. When a mutation occurs, it can create a new allele. An allele is a variant form of a gene.

4. If this new allele provides a survival advantage, it may increase in frequency within the population over generations. This is due to natural selection, where individuals with traits that enhance survival and reproduction are more likely to pass on their genes to the next generation.

5. Conversely, if the new allele is harmful, it may decrease in frequency within the population over generations.

6. Therefore, mutations can lead to changes in allele frequencies within a population, driving evolution.

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The changes in allele frequencies within a population may result from mutations. Mutations are changes in the nucleotide sequences of an organism's DNA. Here's a step-by-step explanation:

1. DNA is the genetic material of an organism and is composed of nucleotides. Each nucleotide contains a sugar, a phosphate group, and a nitrogenous base. The sequence of these bases determines the genetic information.

2. A mutation is a change in this sequence. This can happen in several ways, such as through the deletion or insertion of bases, or the substitution of one base for another.

3. When a mutation occurs, it can create a new allele. An allele is a variant form of a gene.

4. If this new allele provides a survival advantage, it may increase in frequency within the population over generations. This is due to natural selection, where individuals with traits that enhance survival and reproduction are more likely to pass on their genes to the next generation.

5. Conversely, if the new allele is harmful, it may decrease in frequency within the population over generations.

6. Therefore, mutations can lead to changes in allele frequencies within a population, driving evolution.

Changes in allele frequencies within a population may result from , which are changes in the nucleotide sequences of an organism's DNA.

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