High cancer rates can run in families.  Explain how Loss of Heterozygosity relates to this.

Q: To define an SMC (structure maintenance of chromosomes) complex and give two example.

A: Introduction  Chromosomes are thread-like structures found within the nucleus of both animal and…

Q: frequency of heterozygotes

A: The frequency of heterozygous individuals is equal to 2pq.

Q: In which state, the sex chromosomes are present in a cell? O Euchromatin Heterochromatin Centromere…

A: Chromosomes are the thread like structure present in the nucleus of the cell.

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: llustrate the inheritance of mitochondrial DNA as compared to nuclear DNA.

A: Nuclear DNA is linear in form whereas mitochondrial DNA is circular in form.

Q: Genes that cause cancer are called _____________.

A: Cancer means uncontrol cell proliferation and division in the body. This uncontrolled group of cell…

Q: Make a schematic diagram of the key events in the stages of mitosis.

A: The process of mitosis occurs in somatic cells so it is known as somatic cell division. In mitotic…

Q: how does radiation for breast cancer relate to the cell cycle and mitosis

A: One of the ways implemented for the treatment of breast cancer involves radiation therapy. In this…

Q: a) What percentage of each of the following types of cells would you expect to contain an X…

A: In this question, we have to answer the percentage  of  X chromosome in given cells.

Q: If human cells contain the same number of chromosomes, then discuss what account for their…

A: The fundamental units of all living things are cells. There are many billions of cells in a human…

Q: What one is in anaphase of mitosis

A: Answer: Mitosis : It is the cell division in which a cell is divided in to two daughter cells, in…

Q: Kinetochores at the centromeres are sites where ______fibers attach to the chromosomes.

A: A kinetochore is a disc-shaped protein structure associated with duplicated chromatids during cell…

Q: Concept and characteristics of Chromosomes

A: Chromosomes:A molecule of DNA having all genetic information of an organisms. They are threadlike…

Q: What difference exists between the compaction of chromosomes during metaphase versus interphase?…

A: Chromosomal condensation: In the case of a eukaryotic chromosome, there are 3 levels of chromatin…

Q: Explain the role of p53 protein in protecting normal cells against cancer. With respect to this…

A: The cell is the primary unit of all living entities. The normal cell undergoes some necessary…

Q: Most forms of cancer are caused by environmental agents that produce mutations in somatic cells. Is…

A: Environmental factors have been known to trigger a lot of the mutations which develop into cancerous…

Q: Part a. Explain the inheritance pattern that results in the fur coloration of a calico cat and why…

A:

Q: Explain what it means when cancer is said to have a hereditary component.

A: Malignant growth is a hereditary disease—that is, disease is brought about by specific changes to…

Q: Explain how the cell cycle is regulated in eukaryotic cells.

A: Cell cycle is the series of events that occur in a cell as it grows and divides into daughter cells.…

Q: Henrietta Lacks was female, so, naturally, all the cells from her derived cancerous cell line have…

A: Henrietta Lacks is a chromosomal abnormality where 70 - 90 chromosomes are present in the cells,…

Q: To review: The mechanism by which the DNA damage suffered in S phase could be repaired in a cell…

A: The cell cycle is a highly regulated mechanism that regulates how cells advance from one phase to…

Q: Translocations ___________ Part of OneChromosome to Another Chromosome

A: Chromosomes are thread-like structures that are located in the nucleus. It is composed of protein…

Q: __________ is the loss or gain of one or morechromosomes.

A: Chromosomes are thread-like structures that are located in the nucleus. It is composed of protein…

Q: 3222: A partial hepatectomy, or the surgical removal of a section of the liver, is often performed…

A: Partial Hepatectomy  Partial Hepatectomy is also called as liver resection which is a surgery in…

Q: Contrast euchromatin and heterochromatin. Then explain how DNA can transition from one to the other.…

A: Chromatin is defined as the complex of DNA and protein in eukaryotic cells. The primary function of…

Q: Briefly explain what goes wrong with mitosis in the case of cancer cells How does it spread…

A: Mitosis is the division of a parent cell into two identical daughter cells by cell division. That…

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: Loss of heterozygosity of tumor suppressor gene_______________

A: Loss of heterozygosity -It is the loss of one parent's contribution to cell and can be caused by…

Q: What difference exists between the compaction of chromosomes during metaphase and interphase? Give…

A: Chromosome compaction is an event that occurs in both mitosis and meiosis. It is the shortening of…

Q: Explain the Role of telomere in regards to cancer

A: Telomeres gradually shorten with each cell division, resulting in less protection for the…

Q: Explain how the medals law derives from the events that take place during mitosis.

A: Mendels law tells about the segregation of the two allels present in the same plant.  His experiment…

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: ____________ is the most common tumor suppressor gene that is often mutated in human cancers.

A: Tumor suppressor gene are also known as the anti oncogenes which performs the function of regulation…

Q: Why is it important for DNA to be duplicated before mitosis

A: All the cells undergo differentiation and regeneration in order to grow and develop into tissues…

Q: Explain how a missed cell cycle checkpoint results in cancer. (in 5 sentences)

A: Answer. The cell cycle is a highly regulated and dependent series of events, mediated by a number of…

Q: and strosomes are replic

A: Introduction:- Mitosis is a process where a single cell divides into two identical daughter cells.…

Q: Describe what a telomere is, and explain its role in cancer cells’ unlimited ability to divide.

A: A telomere is the end of a chromosome. It is made of repetitive sequences of non-coding DNA that…

Q: Cancer considered as Cell Cycle Disease?

A:

Q: Could you explain mitosis?

A: The cell theory states that all cells arise from preexisting cells. A parent cell divides into…

Q: Explain why clones can be produced from a single body cell of an adult

A: Clones are organisms formed by the asexual method of reproduction. It is the production of a new…

Q: Which has a more lasting effect on a cell—a change in the genotype or a change in the phenotype?

A: A permanent change in the DNA sequence that makes up a gene is known as the gene variant. This type…

Q: Explain how mitosis is involved with development of cancer.

A: A tumor is any abnormal proliferation of cells, which may become malignant, reaching other parts of…

Q: To determine: The errors in the cell cycle that affect humans by causing cancer.

A: Mitosis is a cell cycle, equational division. Mitosis occurs when a somatic cell divides into two…

Q: Suggest an explanation for the disappearance of the nucleolus during mitosis

A: The disappearance of the nucleolus starts during the prophase stage of mitosis. Not only does the…