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- https://bio.libretexts.org/Courses/North_Central_State_College/BIOL_1550%3A_Microbiology_(2025)/14%3A_Horizontal_Gene_Transfer_and_Operons/14.01%3A_MutationsA mutation is a heritable change in the DNA sequence of an organism. The resulting organism, called a mutant, may have a recognizable change in phenotype compared to the wild type, which is the phenot...A mutation is a heritable change in the DNA sequence of an organism. The resulting organism, called a mutant, may have a recognizable change in phenotype compared to the wild type, which is the phenotype most commonly observed in nature. A change in the DNA sequence is conferred to mRNA through transcription, and may lead to an altered amino acid sequence in a protein on translation.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Principles_of_Biology/02%3A_Chapter_2/14%3A_Mutations/14.05%3A_Types_of_MutationsSilent mutation: Silent mutations cause a change in the sequence of bases in a DNA molecule, but do not result in a change in the amino acid sequence of a protein (Figure \PageIndex1). Missense ...Silent mutation: Silent mutations cause a change in the sequence of bases in a DNA molecule, but do not result in a change in the amino acid sequence of a protein (Figure \PageIndex1). Missense mutation: This type of mutation is a change in one DNA base pair that results in the substitution of one amino acid for another in the protein made by a gene (Figure \PageIndex1).
- https://bio.libretexts.org/Courses/Sacramento_City_College/BIOL_440%3A_General_Microbiology_(Hughes)/08%3A_Week_8/13%3A_Mechanisms_of_Microbial_Genetics_(Part_B)/13.01%3A_MutationsA mutation is a heritable change in the DNA sequence of an organism. The resulting organism, called a mutant, may have a recognizable change in phenotype compared to the wild type, which is the phenot...A mutation is a heritable change in the DNA sequence of an organism. The resulting organism, called a mutant, may have a recognizable change in phenotype compared to the wild type, which is the phenotype most commonly observed in nature. A change in the DNA sequence is conferred to mRNA through transcription, and may lead to an altered amino acid sequence in a protein on translation.
- https://bio.libretexts.org/Courses/Norco_College/OpenStax_Biology_2e_for_Norco_College/14%3A_DNA_Structure_and_Function/14.07%3A_DNA_RepairDNA replication is a highly accurate process, but mistakes can occasionally occur, such as a DNA polymerase inserting a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, suc...DNA replication is a highly accurate process, but mistakes can occasionally occur, such as a DNA polymerase inserting a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, such as cancer. Repair mechanisms correct the mistakes. In rare cases, mistakes are not corrected, leading to mutations; in other cases, repair enzymes are themselves mutated or defective.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/10%3A_DNA_and_Protein_Synthesis/10.06%3A_MutationsMutations are random changes in the sequence of bases in DNA or RNA. The word mutation may make you think of Ninja Turtles, but that's a misrepresentation of how most mutations work. First of all, eve...Mutations are random changes in the sequence of bases in DNA or RNA. The word mutation may make you think of Ninja Turtles, but that's a misrepresentation of how most mutations work. First of all, everyone has mutations. In fact, most people have dozens or even hundreds of mutations in their DNA. Secondly, from an evolutionary perspective, mutations are essential. They are needed for evolution to occur because they are the ultimate source of all new genetic variation in any species.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_2e_(OpenStax)/03%3A_Unit_III-_Genetics/3.04%3A_DNA_Structure_and_Function/3.4.07%3A_DNA_RepairDNA replication is a highly accurate process, but mistakes can occasionally occur, such as a DNA polymerase inserting a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, suc...DNA replication is a highly accurate process, but mistakes can occasionally occur, such as a DNA polymerase inserting a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, such as cancer. Repair mechanisms correct the mistakes. In rare cases, mistakes are not corrected, leading to mutations; in other cases, repair enzymes are themselves mutated or defective.
- https://bio.libretexts.org/Courses/Reedley_College/Biology_for_Science_Majors_I/13%3A_DNA_Structure_and_Function/13.07%3A_DNA_RepairDNA replication is a highly accurate process, but mistakes can occasionally occur, such as a DNA polymerase inserting a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, suc...DNA replication is a highly accurate process, but mistakes can occasionally occur, such as a DNA polymerase inserting a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, such as cancer. Repair mechanisms correct the mistakes. In rare cases, mistakes are not corrected, leading to mutations; in other cases, repair enzymes are themselves mutated or defective.
- https://bio.libretexts.org/Courses/City_College_of_San_Francisco/Introduction_to_Microbiology_OER_-_Ying_Liu/14%3A_Horizontal_Gene_Transfer_and_Operons/14.01%3A_MutationsA mutation is a heritable change in the DNA sequence of an organism. The resulting organism, called a mutant, may have a recognizable change in phenotype compared to the wild type, which is the phenot...A mutation is a heritable change in the DNA sequence of an organism. The resulting organism, called a mutant, may have a recognizable change in phenotype compared to the wild type, which is the phenotype most commonly observed in nature. A change in the DNA sequence is conferred to mRNA through transcription, and may lead to an altered amino acid sequence in a protein on translation.
- https://bio.libretexts.org/Bookshelves/Microbiology/Microbiology_(OpenStax)/11%3A_Mechanisms_of_Microbial_Genetics/11.05%3A_MutationsA mutation is a heritable change in the DNA sequence of an organism. The resulting organism, called a mutant, may have a recognizable change in phenotype compared to the wild type, which is the phenot...A mutation is a heritable change in the DNA sequence of an organism. The resulting organism, called a mutant, may have a recognizable change in phenotype compared to the wild type, which is the phenotype most commonly observed in nature. A change in the DNA sequence is conferred to mRNA through transcription, and may lead to an altered amino acid sequence in a protein on translation.
- https://bio.libretexts.org/Courses/Canada_College/Human_Biology_Biol_011_Textbook/06%3A_DNA_and_Protein_Synthesis/6.06%3A_MutationsMutations are random changes in the sequence of bases in DNA or RNA. The word mutation may make you think of Ninja Turtles, but that's a misrepresentation of how most mutations work. First of all, eve...Mutations are random changes in the sequence of bases in DNA or RNA. The word mutation may make you think of Ninja Turtles, but that's a misrepresentation of how most mutations work. First of all, everyone has mutations. In fact, most people have dozens or even hundreds of mutations in their DNA. Secondly, from an evolutionary perspective, mutations are essential. They are needed for evolution to occur because they are the ultimate source of all new genetic variation in any species.
- https://bio.libretexts.org/Courses/Chemeketa_Community_College/Cell_Biology_for_Allied_Health/13%3A_DNA_and_Protein_Synthesis/13.04%3A_MutationsMutations are random changes in the sequence of bases in DNA or RNA. The word mutation may make you think of Ninja Turtles, but that's a misrepresentation of how most mutations work. First of all, eve...Mutations are random changes in the sequence of bases in DNA or RNA. The word mutation may make you think of Ninja Turtles, but that's a misrepresentation of how most mutations work. First of all, everyone has mutations. In fact, most people have dozens or even hundreds of mutations in their DNA. Secondly, from an evolutionary perspective, mutations are essential. They are needed for evolution to occur because they are the ultimate source of all new genetic variation in any species.
