What is an inactive gene?

Q: What are the two basic types of transposons?

A: Transposable element is otherwise known as transposons and they are characterized by the DNA segment…

Q: What are Nonsense mutations?

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

Q: How do transposons cause mutations?

A: Transposons or transposable elements are the DNA sequences that can move and change their location…

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: What is a reverse mutation, or reversion?

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

Q: What are histones and what do they do?

A: Histones are highly basic proteins which are found in the nucleus of the eukaryotic cell, which…

Q: What are Gene promoters?

A: The DNA is the genetic material that is passed from one generation to the next generation. It is…

Q: What causes de novo gene mutations?

A: A genetic alteration that is present for the first time in one family member as a result of a…

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 is a histone variant?

A: Proteins are large biomolecules consisting of one or more long chains of amino acids residues.…

Q: What is a transversion mutation?

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

Q: What mutations are possible in gene ZFPM2?

A: ZFPM 2 is a multi zinc finger protein. It helps in transcription regulation of certain genes by…

Q: What are the two enzymatic functions of reverse transcriptase?

A: Enzymes are the biocatalyst that catalyzes the biochemical reactions or processes by lowering the…

Q: What is a regulatory gene?

A: Regulatory genes are those genes which control the expression of other genes. Regulatory gene codes…

Q: What are processed pseudogenes?

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

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 are mutagenicagents?

A: Mutagen is an agent that may be a physical or chemical which changes the genetic material.

Q: Is duplication a mutation?

A: Mutations are defined as the permanent change in the DNA’s base sequence. An agent that causes…

Q: What are missense mutations?

A: Mutation refers to change in the DNA sequence of a gene. The substances that cause mutations are…

Q: What does the lacA gene code for?

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

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 mutagen causes thymine dimers, and why does it kill cells?

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

Q: What is methylation ?

A: The chromatin of a chromosome is made up of DNA and proteins. DNA carries the genetic instructions…

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 are mutation breeding?

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

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: What are Single-Gene Mutations ?

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

Q: What is an ortholog?

A: The gene is a basic physical and functional unit of heredity. Genes are made up of DNA.The gene is a…

Q: What is gene knockout ?

A: Gene knockin and Gene knockout are the two gene targeting technologies. They are used for the…

Q: What are paralogs ?

A: When homologs' :  functions are identical (or, more specifically, when they share a specific…

Q: what is reverse mutation?

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

Q: what are Pre-mRNAs?

A: RNA is the ribonucleic acid involved in a biological process like gene expression. There are four…

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 null mutations ?

A: The mutation is considered to be the alteration process in the DNA sequence, which is caused due to…

Q: What are transposable elements?

A: DNA is the genetic material that carries genetic information in the form of coded nucleotide…

Q: What is redundant gene action?

A: Introduction: Redundant genes are basically different genes that perform the same biochemical…

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 are histone tails?

A: Chromosomes appear at the time of cell division in the form of thread like structures inside the…

Q: What are conditional knockout mice?

A: A knockout mouse (conventional knockout) is a genetically modified mouse in which the researchers…

Q: What are Replicons?

A: Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains. It coils around…

Q: What is alternative splicing ?

A: In our cells, genetic information is transferred from DNA to RNA and ultimately to proteins. These…

Q: When Replacement of the original gene occurs ?

A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA…

Q: What type of mutations are insertions and deletions?

A: The biochemical material that is carried from the preceding generation to the succeeding generations…

Q: what is simple  transposon?

A: Introduction: A transposon is a segment of DNA that possess the ability for transposition or move…

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.