What is point mutation.give one example?

Q: What are Nonsense mutations?

A: Mutation is a sudden change in nucleotide sequence of DNA as well as change in chromosomes number.

Q: What Are Mutations, and How Do They Occur?

A: A gene is a unit of hereditary present in thousands on the strands of DNA(deoxyribonucleic acid).…

Q: What is a spontaneous mutation, and why are spontaneous mutations rare?

A: The mutation is the sudden deleterious effects in the DNA sequences, they can arise when the DNA is…

Q: Is it possible to prevent mutations entirely?

A: A mutation is an alteration or change in a deoxyribonucleic acid (DNA) sequence. Mutations can…

Q: What are called null mutations, or amorphic mutations.?

A: Mutations are permanent alteration of a DNA sequence in a gene either due to problem at the time of…

Q: How do we know that mutations occur spontaneously?

A: The molecule which determines the traits or characters of an organism is known as the genetic…

Q: What is the difference  Between a silent mutation and a neutral mutation?

A: Mutations are the alterations or the changes that occur in the DNA. Mutations are variations in…

Q: how Spontaneous Mutations Arise?

A: A spontaneous mutation refers to the alteration in the genome due to the malfunctioning of the…

Q: what are point mutations?

A: The mutation is the alteration in the structure and sequence of the DNA which is the genetic…

Q: What are frameshift mutations?

A: Mutations are the alternation or the changes that occur in the DNA. They are variations in codons…

Q: Why is a random mutation more likely to be deleterious than beneficial?

A: Mutations are sudden negative effects in DNA sequences that can occur when the DNA is in the…

Q: What are Antimorphic mutations ?

A: Mutations are the alterations or the changes that occur in the DNA. Mutagens are the agents that are…

Q: what are Hotspots of mutation?

A: A mutation is an alteration in the genome. This alteration can be of a single nucleotide or a long…

Q: Why do transposons jump?

A: A transposon is defined as a sequence of DNA (gene) that is able to insert itself or make a copy of…

Q: What are the three types of point mutations?

A: Chromosomal mutations involve changes in the entire chromosomes. Point mutations are the changes in…

Q: What causes mutations?

A: Deoxyribonucleic acid(DNA) is a molecule comprised of two polynucleotide chains coiled around each…

Q: What are beneficial mutations?

A: A mutation is an adjustment in the nucleotide sequence of the genome of a creature, infection, or…

Q: A homeotic mutation is one in which?

A: Any group of genes that control the pattern of body formation during the early embryonic development…

Q: Why Spontaneous mutation rates are low ?

A: Any heritable change in the genetic makeup of an individual is called as mutation. It is a sudden…

Q: What is a driver mutation?

A: Mutations are defined as the change in the sequence of DNA of an organism due to any environmental…

Q: What are neutral mutations ?

A: DNA is the genetic material in almost all living organisms. Mutations are changes in the DNA…

Q: What diseases are known to be caused by silent mutations?

A: A silent mutation is a change in sequence of nucleotide bases which constitutes DNA without a…

Q: What is a point mutation?

A: The genome of an individual determines its identity. It is composed of a unique DNA…

Q: What is the effect of lacI- mutations?

A: The lactose operon or lac operon is an inducible operon system under dual – positive and negative…

Q: What are the two types of mutations?

A: The mutation is an error mechanism in which the addition, deletion, or substitution of nucleotides…

Q: What triggers mutation?

A:

Q: What are the factors that cause mutation?

A: A spontaneous molecular alteration in a gene's DNA sequence is known as mutation. There are various…

Q: What type of mutation is shown in the diagram?   Why do you think this type of mutation is referred…

A: Mutations are alterations in the gene sequence due to presence or interference of certain mutagenic…

Q: Are mutations good or bad? Explain your response to this question.

A: Any alteration in the sequence of deoxyribonucleic acid (DNA) is called a mutation. It occurs…

Q: What are the 4 types of mutation?

A: Mutations are the alterations or the changes that occurs in the DNA. Mutagens are the agents that…

Q: How does spontaneous mutation occur and how is this different from induced mutation?

A: A spontaneous mutation occurs as a result of error in DNA (deoxyribonucleic acid) replication…

Q: What are Single-Gene Mutations ?

A: In the field of biology, mutation means change in nucleotide sequence of genome of an organisam or…

Q: Why the neutral mutations affect gene products?

A: Introduction :- A mutation is a change to an organism's DNA sequence. Errors in DNA replication…

Q: What is a forward mutation?

A: Mutations are the sudden heritable changes within a genome of an individual. It changes the DNA…

Q: What three factors affect mutation rates?

A: The mutation occurs when there is a change in the nucleic acid sequence. These mutations could be…

Q: What is called mutation breeding?

A: A mutation is a sudden and inheritable change in the DNA molecule. This change is brought about by…

Q: Define the silent mutation in DNA

A: Mutation occurs due to sudden change in DNA structure and sequence which results in either gain or…

Q: WHAT are modification enzymes.?

A: in recombinant DNA technology, we rely a lot on enzymes to modify the target/vector DNA according to…

Q: What are Somatic mutations ?

A: Answer- Mutation is any genetic change in the sequence of the DNA that may lead into abnormality in…

Q: What is base substitution in Gene Mutations ?

A: What is base substitution in Gene Mutations ?

Q: Can Mutations alter amino acid sequences?

A: Mutation refers to a phenomena which causes the nucleotide sequence of the DNA( deoxyribonucleic…

Q: What is targeted mutation?

A: Mutation means sudden changes occur in DNA sequences. The mutation occurs randomly. It also occurs…

Q: What is a silent mutation? Why is the name “silent mutation” a bit of a misnomer?

A: The flow of information in the cell is generally from DNA to RNA to proteins. DNA contains the…

Q: What Is the Molecular Basis of Mutation?

A: Introduction Mutations in the genes may be caused artificially or occur naturally. When an organism…

Q: How does a particular mutation in an enzyme cause disease?

A: Enzymes are biocatalyst that increases the speed of reaction by lowering the activation…

Q: How can different mutations cause the same disease?

A: The permanent change in the sequence of nucleotides of the genome in an organism is called a…

Q: Which class of mutation, missense or nonsense, is morecommon, and why?

A: Nonsense Mutation when there occurs deletion or insertion of single nucleotide base in the gene then…

Q: How to repair mutations?

A: Genetic variation means variation occurs in the DNA sequence of an organism’s genome. Genetic…

Q: How Induced Mutations Arise from DNA Damage ?

A: Errors in DNA or viral replication, mitosis, or meiosis, as well as other types of DNA damage (such…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.