Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 12, Problem 8QP
Summary Introduction
Introduction: Cancer is caused due to a mutation in the genome of the cells. The mutation can be of different types namely single
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Which of the following demonstrates the link between oncogenes and cancer?
a.Oncogenes do not have mutations that increase the activity or number of molecules that stimulate mitosis.
b.Oncogenes produce molecules that inhibit mitosis.
c.They are genes that transform tumor cells into normal cells.
d.The mutations in oncogenes increase the activity or number of molecules that stimulate mitosis, leading to irregular cell division.
Which of the following describes an oncogene
Group of answer choices
A. a gene that stimulates cell division that is malfunctioning
B. a cell whose normal function is to cause cancer
C. a gene that controls body axes
D. a hox gene
E. a gene that prevents tumors
Mutations to proto-oncogenes act toa. increase cell division. c. repress oncogenes.b. increase DNA repair. d. decrease cell division
Chapter 12 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 12.10 - If improved diagnostic tests are developed from...Ch. 12.10 - If you had cancer, would you donate tissue samples...Ch. 12.10 - Prob. 1GRCh. 12.10 - Another model, the random model, proposes that any...Ch. 12 - Mike was referred for genetic counseling because...Ch. 12 - Mike was referred for genetic counseling because...Ch. 12 - Mike was referred for genetic counseling because...Ch. 12 - Theodor Boveri predicted that malignancies would...Ch. 12 - Distinguish between a familial and a sporadic...Ch. 12 - Benign tumors: a. are noncancerous growths that do...
Ch. 12 - Prob. 4QPCh. 12 - Prob. 5QPCh. 12 - Prob. 6QPCh. 12 - Prob. 7QPCh. 12 - Prob. 8QPCh. 12 - What is the difference between a proto-oncogene...Ch. 12 - Distinguish between dominant inheritance and...Ch. 12 - Describe the likelihood of developing bilateral...Ch. 12 - Prob. 12QPCh. 12 - The search for the BRCA1 breast cancer gene...Ch. 12 - What are the roles of cellular proto-oncogenes,...Ch. 12 - Which of the following mutations will result in...Ch. 12 - Prob. 16QPCh. 12 - The following family has a history of inherited...Ch. 12 - You are in charge of a new gene therapy clinic....Ch. 12 - Prob. 19QPCh. 12 - Can you postulate a reason or reasons why children...Ch. 12 - Prob. 21QPCh. 12 - In Section 12-1, Julie is concerned that she may...Ch. 12 - Prob. 23QPCh. 12 - What are some factors that epidemiologists have...Ch. 12 - Smoking cigarettes has been shown to be associated...Ch. 12 - Prob. 26QPCh. 12 - Studies have shown that there are significant...
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- Which of the following best describes a gene that codes for a tumor-suppressor protein? a. One that helps to prevent progression through the cell cycle. b. One that helps prevent apoptosis. c. One that codes for a DNA repair enzyme. d. One that supports part of a growth factor signaling pathway.arrow_forwardA tumor suppressor genea. inhibits cell division.b. opposes oncogenes.c. prevents cancer.d. is subject to mutations.e. All of these are correct.arrow_forwardWhich of the following statements correctly describes a characteristic of tumor-suppressor gene? a) they are frequently overexpressed in cancerous cells. b) they are cancer-causing genes introduced into cells by viruses. c) they encode proteins that help prevent uncontrolled cell growth. d) they often encode proteins that stimulate the cell cycle.arrow_forward
- Which of the following mutations is MOST likely to cause cancer? A) a mutation that causes a cyclin gene to be expressed at all times during the cell cycle B) a mutation that causes an oncogene to be turned off so that no protein is made C) a mutation that causes a Cdk gene to be turned off so that no protein is made D) a mutation that causes a tumor suppressor gene to be over-expressedarrow_forwardA mutant gene that promotes cancer when it is overexpressed iscalleda. a tumor-suppressor gene.b. an oncogene.c. both a and b.d. neither a nor b.arrow_forwardA gene that codes for a positive cell cycle regulator is called a(n) _______. a. kinase inhibitor b. tumor suppressor gene c. proto-oncogene d. oncogenearrow_forward
- Which of the following statements about cancer is false? (a) oncogenes arise from mutations in proto-oncogenes (b) tumor suppressor genes normally interact with growth-inhibiting factors to block cell division (c) more than 120 cancer-driving genes have been discovered (d) oncogenes were first discovered in mouse models for cancer (e) the development of cancer is usually a multistep process involving both oncogenes and mutated tumor suppressor genesarrow_forwardA mutated gene that transforms a normal cell into a tumor cell is called a a. oncogene. b. neoplasm. c. carcinoma. d. checkpoint gene. e. proto-oncogene.arrow_forwardThe role of p53 in normal cells is toa. create cancer-blocking mutations.b. trigger unrestrained cell division.c. detect damaged DNA.d. splice exons together in the correct sequence.arrow_forward
- 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 isarrow_forwardWhich of the following accurately compares tumor suppressor genes and proto-oncogenes? A. Both tumor suppressor and proto-oncogenes prevent the spread of cancer by targeting and destroying existing cancer cells. B. A person who has both tumor suppressor and proto-oncogenes will always develop cancer. C. Proto-oncogenes code for growth factors, while tumor suppressor genes inhibit cell division of damaged cells. D. When a proto-oncogene mutates, it becomes a tumor suppressor gene.arrow_forwardProto-oncogene product causes: A. stimulation of cell cycle. B. inhibits cell cycle. C. loss/inactivating mutation causes cancer D. none of the above. IT IS NOT Aarrow_forward
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