gene mutation

Q: What causes mutation? Is it always harmful? • Does a simple change on DNA sequence affect the…

A: DNA or deoxyribonucleic acid is the genetic material in living organisms. It is composed of…

Q: What is the mechanism of action of the antibiotic applied to the plate containing the bacteria…

A: UV radiation is a physical mutagen that can directly cause dimerization of pyrimidines, induce…

Q: How does the effect of nonsense mutation differ from that of a frameshift mutation? Why?

A: Mutations are changes that occurs in the deoxyribonucleic acid (DNA) sequence, either due to…

Q: Briefly explain the frameshift mutation ?

A: Mutation can be defined as the change that occurs in the DNA sequence which is caused by mistake or…

Q: What is point mutation? Explain with an example?

A: Mutation can be defined as the slight change or alteration in the nucleotide sequence of the genome…

Q: What is a A hypomorphic mutation?

A: The change in normal structure or function of a wild type of gene due to alteration in nucleotides,…

Q: What is an insertion mutation?

A: Any permanent change in a sequence of DNA is termed a mutation. DNA is found in all organisms, and…

Q: What is mutation? describe its type and how mutation and evolution are interrelated. Discuss

A: Mutation is change in Dna sequences and it may range in size from one Dna base to whole chromosome…

Q: Is the mutation in the sickle cell gene a point mutation or a frameshift mutation?

A: Point mutations are a large category of mutations that describe a change in single nucleotide of…

Q: What is Central Dogma of Molecular Biology?

A: The organisms that contain DNA as a genetic material shows a fascinating process within the cell is…

Q: Why do frameshift mutations generally have more seriousconsequences than missense mutations?

A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…

Q: What are the silent, misense, nonsense, and frameshift mutations?

A: Mutation is an abrupt change in the DNA sequence and  nucleotide base pairs.  Mutation is caused by…

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: How to reverse a frame-shift mutation caused by adding one nucleotide base?

A: The genetic mutation caused by the insertion or deletion of a number of nucleotides that are not…

Q: What is enzyme adaptation? From a genetic point of view, how does it occur?

A: Enzymes are catalysts that speed up chemical reactions without being used up in the process”. A…

Q: Provide one example of a clinical implication of a “silent mutation” that proven to have an effect…

A: Answer: SILENT MUTATIONS  are the mutations in the DNA that do not have an observable effect on the…

Q: What are neomorphic mutations?

A: Any permanent change in the DNA’s nucleotide sequence is termed as mutations. Based on their effect…

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 likely consequence of a frameshift mutation?

A: A mutation occurs/happens when the sequence/structure of DNA is altered. Mutations can occur as a…

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: What is silent mutation ?

A: A point mutation was the type of mutation which involves in alteration of a single base-pair .where…

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: Two types of mutations discussed in this chapter are 1) nucleotide changes and 2) unstable genome…

A: Mutations are sudden heritable changes in the DNA sequence of a gene and are responsible for all the…

Q: What is the resulting polypeptide: _______________________________________________________? What…

A: Central dogma is the central processing part in which DNA is converted into m RNA by transcription…

Q: What is frameshift mutation?

A: Mutations are alterations in the genetic material present in the cell of a living organism or of a…

Q: what is reverse mutation?

A: The deoxyribonucleic acid (DNA) is the hereditary unit of an organism composed of the nucleotides…

Q: What is point mutation? Give one example.

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

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 are the possible ways that a mutation may affect an organism?

A: Mutation are random, sudden changes in the genetic material. Variation arises due to mutation are…

Q: Two types of mutations discussed in this chapter are 1) nucleotide changes and 2) unstable genome…

A: The mutation is a change that is due to a change in DNA due to some environmental factors or damage…

Q: What is fusion mutation?

A: Introduction Mutation can be defined as the change in the DNA sequence or a structural change…

Q: What is a mutation of a gene?

A: Gene is the unit of hereditary which is transferred from one generation to another and posses the…

Q: What are frame-shift insertion?

A: Mutations are changes that occurs in the deoxyribonucleic acid (DNA) sequence, either due to…

Q: Provide one example of a clinical implication of a “silent mutation” that proven to have an effect…

A: Answer: SILENT MUTATIONS  are the mutations in the DNA that do not have an observable effect on the…

Q: Why is mutation important?

A: A mutation is a random change and it occurs when the sequence of DNA changes. the result of DNA…

Q: How many codons are there in the mutated DNA-(b) and DNA-(c)? What types of mutations occurred in…

A: Codon is sequences of three DNA or RNA nucleotides.

Q: Where does RNA processing fit into the central dogma of molecular genetics?

A: The central dogma is the process which governs the gene expression. A gene is expressed when an mRNA…

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 are the chances of occurrence of hypomorphic mutation?

A: Mutation is defined as the sudden inheritable change that occurs in the DNA sequence.  It is caused…

Q: A mutant strain of bacteria is isolated in which the amino acid glutamine is often erroneously…

A: Answer of the question given below...

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: What is a deletion mutation?

A: The mutation is a sudden, stable, and heritable change in the organism’s genome. It can occur due to…

Q: What is the central dogma of biology? Describe the molecular processes that accomplish the flow of…

A: Central Dogma of Biology:                   The flow of genetic information from DNA to RNA which is…

Q: What is a genome and what is it composed of? What is thecentral dogma of molecular biology?

A: Genes are the hereditary units that are transmitted from one generation to another generation. The…

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: Two types of mutations discussed in this chapter are nucleotide changes and unstable genome regions…

A: Mutation is defined as a change that occurs in the nucleotide sequence of DNA. This can affect…

Q: Which type of mutation results in abnormal amino acid sequence?

A: Mutation is typically the change in the sequence of the DNA. The DNA sequence of a gene can be…

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.