Ch. 18-2 The photos shown below illustrate a case of synpolydactyly, a genetic abnormality characterized by two phenotypes: partially or completely duplicated fingers or toes, and webbing between fingers or toes. The same mutations that give rise to the human phenotype also give rise to a similar phenotype in mice. In which family of genes do you think these mutations occur?

Q: What is spontaneous mutation and how does it occur during Stress-Induced Mutagenesis.

A: The mutation is the sudden genetical changes that occurs in the DNA sequence and ultimately can or…

Q: Can nonsense mutations be reversed by hydroxylamine? Why or why not?

A: Mutations are the events that results in change in the DNA sequence. Mutations can be a result of…

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 many genes in human body (either active and inert)?

A: Genes are DNA sequences that code for specific traits. They are the basic physical and functional…

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 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: 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: Define nonsense mutation and silent mutation.

A: In genetics, the mutation is defined as the process of change or alteration in the DNA sequences of…

Q: What is the long term and short term effects of mutation on coding and non-coding DNA, the amount of…

A: A mutation is a change in the nucleotide sequence of an organism's genome, virus, or…

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 the difference between a germline mutation and a somatic mutation?

A: A mutation is a biological process occurring in the Deoxyribonucleic acid (DNA) sequence due to…

Q: What are the types of mutations, and how does each alter theencoded protein?

A: Mutations are the changes in the genome resulting in synthesis of different products. These changes…

Q: What are point mutations? How do silent mutationsdiffer from missense and nonsense mutations?

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

Q: 28. Given the relative proportion of DNA that directly codes for genes, is it reasonable to say that…

A: Introduction :- A gene is a basic unit of heredity in biology, consisting of a sequence of…

Q: What is mutation in yeast?

A: Yeast is a eukaryotic unicellular organism that belongs to the kingdom Fungi. These organisms are…

Q: What is the genetic basis that causes the symptoms of Downsyndrome?

A: Genetic diseases can be defined as the diseases which is cause due to the change in the genetic…

Q: 48. Which of the following is the correct mechanism of equalizing X-encoded gene products in humans?…

A: As per our policy we are answering the first question only.  For the rest of the question kindly…

Q: 28. How do regulatory gradients produce many different patterns of gene expression?

A: NOTE: since you have posted multiple questions. So we will be solving the first question for you. As…

Q: • Whether a mutation is recessive or dominant to wild typedepends on how drastically the protein…

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

Q: What is A hypermorphic mutation?

A: The mutations are classified based on their behavior in terms of genetic interactions. The Nobel…

Q: What is the difference between a missense mutation and a nonsense mutation?

A: Mutation is defined as the sudden and permanent change in the nucleotide sequence of DNA. It 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: hat are the 3 point mutations?

A: A point mutation could be a mutation that solely affects one ester of macromolecule. purpose…

Q: What are neomorphic mutations?

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

Q: A rare class of dominant gain-of-function _______ arisesfrom neomorphic mutations that generate a…

A: Genes are the hereditary unit of the DNA that when expressed display a certain phenotype. A…

Q: How will this mutation affect the golden retriever puppy?

A: Transcription is the process which makes mRNA from DNA in complementary manner. The A, U, G and C of…

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: How does adding a methyl or acetyl group to a histone protein alter gene activity?

A: Histones are proteins, found in eukaryotic nuclei that order DNA into a shape. The histone molecules…

Q: What are the Effects of Rearrangements?

A: Chromosomal rearrangement is a category of mutation that involves the alteration in the structure of…

Q: Is Down syndrome a mutation?

A: The genetics is the branch of biology that deals with the study of genes, genetic variation and…

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: is the action of the ultraviolet radiation on DNA to induce mutation?

A: UV radiation is a kind of non-ionizing radiation released by the sun and other artificial means. One…

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 effect does histone acetylation have on Gene 1?

A: Histone  acetylation is an epigenetic modification of transcription .   Histone acetylation is the…

Q: What are the chances of occurence of amorphic mutation?

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

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 mutagen results to the formation of thymine dimers?

A: Asked : Mutagen which results to the formation of thymine dimers

Q: Are mutations that arise during mitosis or meiosis the same?

A: The genetic material consists of a nucleotide sequence that results in the expression of the…

Q: How do germ-line mutations differ from somatic mutations? Germ-line mutations are reversible, while…

A: Mutations are the random changes in the genome of organisms.

Q: What are conditions for Histone modification ?

A: The length of the DNA is way too high to accommodate in the nucleus. Therefore the DNA is packed 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: 23 Which of the following statements about mutations are true?

A: The mutation is defined as a sudden, inheritable change in a DNA sequence. The process includes the…

Q: Which are the two basic types of transposons?

A: Transposons are also known as jumping genes or transposable element.  It is a special type of…

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: What are genetic laws

A: Genes, genetic diversity, and heredity in living things are all studied in the branch of biology…

Q: What are three similarities and three differences between Germline mutations and Somatic mutations?

A: A mutation refers to the alteration in the sequence of DNA (deoxyribonucleic acid). It can be a…

Q: What is retrograde?

A: Introduction  The proteins which are formed by the ribosomes attached over the ER are transported to…

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.