Heavy smokers or industrial workers exposed for a limited time to a chemical carcinogen that induces mutations in dna do not usually begin to develop cancers characteristic of their habit or occupation until 10, 20, or even more years after the exposure. suggest an explanation for this long delay.

Q: Having a mutant form of the gene XYZ is associated with a higher incidence of cancer than is seen in…

A: A mutant gene XYZ is linked with higher incidences of causing cancer than other mutation. The XYZ…

Q: What would make someone think they might have developed cancer and seek medical testing?

A: Cancer is a medical condition in which cells become abnormal and divide uncontrollably which leads…

Q: Why is it only the risk for cancer that is inherited?

A: ANSWER --Introduction -- Genes are part of the chromosomes , carry instructions to make proteins…

Q: In cancer like disease, what kind of mutations are more focussed? Single Nucleotide Polymorphism or…

A: Introduction  Cancer is well known disease now a day. In US, 1 in 2 women and 1 in 3 men develops…

Q: If cancer is fundamentally a genetic disease, how might an environmental factor such as smoking…

A: Tumor is a mass of tissues. It may be benign or malignant. The cellular growth that occurs when the…

Q: Which genetic cancer predisposition syndrome is caused by germ-line mutations in the p53 gene and is…

A: P53 is the tumor suppressor protein (TP53 in humans) which is also described as the guardian of the…

Q: Why do mutations in DNA repair genes increase the likelihood of developing cancer?

A: Deoxyribonucleic acid (DNA) is a hereditary molecule that transfers genetic information from one…

Q: Give two examples of how genomic studies have altered our understanding of cancers.

A: Cancer was initially described by Hippocrates when he identified two forms of cancer: ulcer forming…

Q: A carcinogenic compound is placed on the skin of inbred laboratory mice. In many of these mice, skin…

A: A carcinogenic substance is any substance or particle that induces the cancer formation in the host…

Q: Why is the Philadelphia chromosome important to understanding & treating some cancers, especially…

A: Philadelphia chromosome is only present in the blood cells that are affected because of the damaged…

Q: Describe the differences between point mutations, chromosomal translocations, and gene amplification…

A: Cancer is a disease that is associated with the uncontrolled division of cells and invasion of…

Q: Why is late stage cancer so dangerous for our body.

A: Cancer is a disease that is caused due to the fact that the cell has lost its ability to undergo…

Q: Suppose Nicole recently learned that she inherited a mutant BRCA1 allele from her mother, who had…

A: BRCA1 is a tumor suppressor gene usually expressed in breast cells. It is responsible for repairing…

Q: Unlike many other diseases, the vast majority of cancers in humans are not transmissible - meaning a…

A: Cancer is "referred" to as any abnormal growth of cell tissue. Cancer can develop anywhere in the…

Q: Are genome and karyotype instabilities consequencesor causes of cancer?

A: Genome ad karyotype instabilities really leads to cancer.Lets have a detailed discussion: Genome…

Q: How Cancer Involves the Proliferation of a Clone of Cells?

A: When the cell division becomes out of control and cells starts accumulating it results in cancer.

Q: Explain why p53 is mutated in the vast majority of human cancers.

A: Any isoform of a protein encoded by homologous genes in multiple animals, such as TP53 and Trp53, is…

Q: (a) How does the duplication of individual genes occur? (b) individual that inherit a genetic…

A: Mutation in the DNA can change our genetic material that can causes changes in our phenotype as…

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 cancer is genetic diseases, in spite of the fact that most cancers are not inherited?

A: Cancer is a disease that involves the uncontrollable growth of some of the abnormal cells of the…

Q: Many of the mutations in cancer samples are not necessarily driver mutations, but rather passenger…

A: Hematologic childhood cancer can develop in any part of the body, including the blood and lymph…

Q: Do more mutations necessarily mean that more cancer-causing genes are faulty? Why or why not?

A: Biotechnology is a wide range of studies where it uses its techniques with biological systems to…

Q: xplain the molecular mechanisms of cancers caused by a P53 gene mutation.

A: cancer may be a disease during which a number of the body’s cells grow uncontrollably and spread to…

Q: Explain the difference between proto-oncogene and tumor suppressor mutations in terms of its…

A: Cancer is a medical condition that is characterized by the growth of tumors in the body of an…

Q: Why is cancer a disease of individual cells? Because cancer involves cell proliferation None of the…

A: Cancer is defined as uncontrolled division of cells.

Q: Explain why some individuals have a geneticpredisposition to certain kinds of cancers

A: Genetics is a branch of science that deals in the study of genes, heredity, and genetic variation of…

Q: Identify one way in which a specific cancer evades the controls of the cell cycle.

A: One of the major components of control in the cell cycle is Apoptosis. It is the process of…

Q: compare and contrast cancer caused by viruses and cancer caused by oncogenes

A: Introduction Cancer is a disease occurs due to uncontrolled mitosis. Cancerous cells can destroy…

Q: Patients with XP suffer extremely high incidence of skin cancer but have not been found to have…

A: There are 2 basic types of genetic mutations: Acquired mutations.  These are the most common causes…

Q: How has the study of mitosis affected scientists’ knowledge of cancer?

A: Cancer is a disease in which tissue show unrestricted growth. cancer are of different types based on…

Q: EXPLAIN BRIEFLY: Explain the molecular mechanisms of cancers caused by a P53 gene mutation.

A: Answers P53 also defined as tumour suppressor Gene. Hence it protect the cells from various damages…

Q: Cancer is related to cellular errors during certain mechanisms and due to certain factors yet, the…

A: Uncontrolled cell division result into cancer.  Cancer cells grow in large size and take on the…

Q: Why would the requirement for multiple hits make cancer less likely in younger people?

A: Cancer is a term used to describe diseases that involve abnormal cell growth. Cancer can occur…

Q: Most inherited forms of cancer show a dominant pattern of inheritance in a pedigree. An example is a…

A: BRCA-1 gene is associated with breast cancer which is located on the chromosome-17. This gene was…

Q: Epidemiological studies have revealed that cancers arise with differing frequencies in different…

A: There is differing frequencies in different parts of the world because environmental heterogenicity…

Q: Define telomeres, telomerase, and senescence and describe their effects on cancer.

A: Introduction  Cancer is a disease when a few of the body's cells grow out of control and spread to…

Q: Which are the Genetic Basis of Cancers?

A: Cancer is a disease related to abnormal growth of cells where the cells have the potential to spread…

Q: Explain why it usually takes more than one mutation to cause cancer

A: Cancer is a condition wherein a portion of the body's cells develop or grow wildly and can spread to…

Q: Discuss the relationship between cancer and changes in gene expression that affect cell…

A: Cancer is the condition in which the control over the process of cell division is lost.

Q: How is cancer different from most other types of genetic diseases?

A: Cancer is the abnormal growth and multiplication of normal cells. Cancer cell divide rapidly. Cancer…