Epigenesis relating to genetics refers to which of the following A. Genetic information is limited to what we inherit only from our biological parents. B. Genes are not influenced by environmental factors. C. Genes we inherit are fully expressed at birth. D. Genes are turned on or off as needed, by the developing body or environmental triggers, across the life-span

Epigenesis relating to genetics refers to which of the following A. Genetic information is limited to what we inherit only from our biological parents. B. Genes are not influenced by environmental factors. C. Genes we inherit are fully expressed at birth. D. Genes are turned on or off as needed, by the developing body or environmental triggers, across the life-span

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter15: Genomes And Genomics

Section: Chapter Questions

Problem 14QP

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Categorize each of the following events as an example of genetic inheritance or epigeneticinheritance. a. For a line of liver cells growing in a laboratory, a gene encoding an immune cytokine isfound in compact chromatin.b. A chromosomal rearrangement in a blood stem cell leads to leukemia.c. Haploid bees are male, and diploid bees are female.d. Among genetically identical lab mice, those exposed to cigarette smoke have a higherrate of developing lung tumors
Epigenetics is a HUGE new field in understanding health factors that are transmitted from generation to generation beyond simple genetic inheritance. For example: epigenetic factors contribute to the onset of disease by triggering underlying genetic information. What do you think about that?
Although each cell in your body contains the same set of genes, the genes that are “turned on” differ depending on the type of cell. What signals different genes to be “turned on” or transcribed in different cells? What types of behaviours or environmental circumstances can lead to changes in an individual’s epigenome? Explain. 3. Explain how changes in your epigenome can alter the DNA of your future children before they are even born. 4.) Explain TWO implications of these findings for society. (Hint: think big! Implications for how disease is transmitted, intergenerational trauma, the cycle of poverty, etc.)
Which of the following is NOT a description of an epigenetic modification? A. regulatory patterns that persisis in the absence of the original signal B. stable alterations in gene expression without changes to the underlying DNA sequence C. the persistence of gene expression patterns through cell division D. an intrinsic signal that triggers cell differentiation
From the list of answers (A-D) below, select the correct anwer(s). There may be more than one answer. B. During the process of cell division all epigenetic changes are lost. A. Epigenetic changes survive cell division. C. Epigenetic changes have NO role in cell differentiation. D. Each of the 200 types have the same genome, but distinct epigenome, which is important for the process of cell differentiation.
Which of the following is NOT a way in which proto-oncogenes can change to become genes that induce cancer? Group of answer choices a. changes in a control element (enhancer) to increase transcription b. gene amplification c. changes in DNA sequence to produce a product that degrades rapidly d. movement of the gene adjacent to a different control element to increase transcription e. changes in DNA sequence to produce a product that is
From the list of answers below (A-D) select the correct answer(s). There may be more than one correct answer. B. Identical twins have the same genome, as well as the same epigenome. C. Epigenetic changes can be introduced or changed by social experience. D. Epigenetic changes are permanent and once acquired can never be changed. A. Identical twins have the same genome, but may have different epigenomes.
With regard to cancer cells, which of the following are true? A. Cancer cells are clonal, meaning that they are derived from many different cells that all underwent the same clonal mutation. Cells usually accumulate many mutations over time, and this results in cancerous growth. B. Almost all cancers are caused by oncogenic viruses. no Benign tumors are dangerous because they can easily invade surrounding tissue and spread to other locations in the body. DE. Cancer cells are unable to control their division.
Gene expression is a term that relates to Select one: A. DNA replication. B. the flow of genetic information from DNA to proteins. C. how genes are passed from parent to offspring. D. the unique set of genes in an individual.
Which of the following statements concerning p53 is NOT correct? O a. p53-dependent transcription of target genes leads to cell cycle arrest or cell death (apoptosis). O b. O C. Loss of p53 function results in loss of checkpoint controls. Loss of p53 function creates an environment that is permissive for genome instability--that is, more damaged cells with chromosome aberrations and mutations survive and propagate. d. p53 is a tumor suppressor protein which is largely responsible for protecting cells from cancer- causing DNA-damaging agents.
The rb gene encodes a protein that inhibits E2F, a transcriptionfactor that activates several genes involved in cell division.Mutations in rb are associated with certain forms of cancer,such as retinoblastoma. Under each of the following conditions,would you expect the cancer to occur?A. One copy of rb is defective; both copies of E2F are functional.B. Both copies of rb are defective; both copies of E2F arefunctional.C. Both copies of rb are defective; one copy of E2F is defective.D. Both copies of rb and E2F are defective.
How would you explain gene expression? How is it that a particular genotype is actually expressed as a phenotype? I am looking for details here, including an explanation of the molecular mechanisms involved.

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	A.	Genetic information is limited to what we inherit only from our biological parents.
	B.	Genes are not influenced by environmental factors.
	C.	Genes we inherit are fully expressed at birth.
	D.	Genes are turned on or off as needed, by the developing body or environmental triggers, across the life-span