How can mutations in noncoding segments of DNA contribute to the development of cancers?

Q: What is a mutation in DNA repair and recombination?

A: Introduction: DNA damage can happen in various different ways. Some of the damage if left…

Q: How can a defect in p53 gene contribute to cancer development?

A: Cancer is an abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some…

Q: How do mutagens cause mutations?

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

Q: During a routine check-up, a woman is informed by her doctor that she has developed a skin tumor.…

A: *Benign tumors stay in their location without invading other sites of the body. *They do not spread…

Q: What causes the majority of the mutations found in human melanomas and lung cancer?

A: DNA is the chemical in each cells that makes up the genes and some genes control when cells grow,…

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 the three main steps for repairing the DNA damages such as the deamination of cytosine…

A: Despite the elaborate proof-reading employed during DNA synthesis, erros can occur. In addition, DNA…

Q: What may happen to cells that accumulate a lot of DNA damage?

A: The cell is the basic structural and functional unit of the body. A cell is composed of various cell…

Q: Can transposons cause cancer?

A: A gene is that the primary physical and useful unit of heredity. "Genes" are created from…

Q: When DNA methylation takes place ?

A: Deoxyribonucleic acid (DNA) is a biomolecule found in nearly all living organisms. The structure of…

Q: Why is it important for DNA to be copied before a cell undergoes mitosis

A: Answer: MITOSIS = It is the process of producing two identical daughter cells from the parent cell…

Q: Which mutations are more common in cancers,  growth promoters  or suppressors and why?

A: Cancer is a complex group of disease affecting a wide range of cell and tissues. It results from…

Q: How is DNA methylation related to cancer?

A: The alteration to the structure of chromatin affects the gene expression, which is known as…

Q: How do normal cells protect themselves from accumulating mutations in genes that could lead to…

A: Studies reveal that the p53 protein instructs cells to under-go apoptosis when mutations in the DNA…

Q: Do mutations occur randomly, or are they directed by the environment?

A: DNA is the genetic material present in the organism.

Q: Can Spontaneous mutations occur without the action of extraneous agents ?

A: DNA (deoxyribonucleic acid) is the genetic material of almost all living organisms. It is a double…

Q: How Mutations Cause Cancer Phenotypes?

A: The medical condition of cancer is generally characterized by the presence of a cluster of cells…

Q: Do Changes in DNA cause Increased Cancer Risk ?

A: The growth of new cells and also the breaking down of the old cells generally occur by a systemic…

Q: How many DNA repair mechanisms are there?

A: The genetic information of a cell is preserved through a variety of techniques. DNA repair is…

Q: Are de novo mutations passed on?How many de novo gene mutations does the average person have?

A: De novo mutation is a genetic alteration that is present for the first time in a family member. It…

Q: What are characteristics of DNA mutations and repair mechanisms.

A: DNA's nucleotide sequence can be permanently altered by a mutation, which can occur during…

Q: How oncogenes contribute to cancer?

A: Cancer:       It is a disease where cells divide abnormally and damage other cells. There are…

Q: What mechanisms are used to repair DNA?

A: DNA undergoes the process of replication in order to form its copies. A mutation is a change that…

Q: Any permanent change to the structure of DNA is considered a mutation. A somatic cell mutation…

A: Ans. 1 Heritable mutation: A change in the genetic material that is incorporated into every cell…

Q: What will be the results of chemically modifying one nucleotide baseof a gene? What role is played…

A: A permanent change in the DNA’s base sequence is termed as mutation. Any alteration in DNA may cause…