Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 19, Problem 5SQ
Summary Introduction
Introduction: Genes are sets of
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Gene expression does not vary by_______ . a. cell type c. stage of development b. extracellular conditions d. the genetic code
A nerve cell and a skin cell from the same person have
Group of answer choices
A. different gene expression
B. different versions of genes
C. same gene expression
D. none of the above
E. different genes
In a wild-type cell, the function of a protein encoded by a tumor-suppressor gene is to cause a cell to ______.
A.) stop dividing
B.)extend its telomeres
C.) grow toward a new blood vessel
D.) respond to a growth factor
Chapter 19 Solutions
Human Biology (MindTap Course List)
Ch. 19 - Define the difference between (a) gene and allele,...Ch. 19 - Prob. 2RQCh. 19 - What is probability, and how is it applied in...Ch. 19 - What is independent assortment? Does independent...Ch. 19 - Alleles are ___________. a. alternate forms of a...Ch. 19 - A heterozygote has _____. a. only one of the...Ch. 19 - Prob. 3SQCh. 19 - Offspring of a cross AA aa are ______. a. all AA...Ch. 19 - Prob. 5SQCh. 19 - Prob. 6SQ
Ch. 19 - Which statement best fits the principle of...Ch. 19 - Prob. 8SQCh. 19 - Prob. 9SQCh. 19 - Prob. 10SQCh. 19 - One gene has alleles A and a. Another has alleles...Ch. 19 - Still referring to Problem 1, what will be the...Ch. 19 - Go back to Problem 1, and assume you now study a...Ch. 19 - The young woman shown at right has albinismvery...Ch. 19 - When you decide to breed your Labrador retriever...Ch. 19 - The ABO blood system has been used to settle cases...Ch. 19 - Prob. 7CTCh. 19 - A man is homozygous dominant for ten different...Ch. 19 - Prob. 9CTCh. 19 - Bill and Marie each have flat feet, long...Ch. 19 - You decide to breed a pair of guinea pigs, one...
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- In mice, the copy of the Igf2 gene that is inherited from the mother isnever expressed in her offspring. This happens because the Igf2 genefrom the mothera. always undergoes a mutation that inactivates its function.b. is deleted during oogenesis.c. is deleted during embryonic development.d. is not transcribed in the somatic cells of the offspring.arrow_forwardIn a fly egg, the nurse cells are killed before they can produce bicoid mRNA. What will happen? Group of answer choices A. The larva will develop normally B. The resulting larva will have no head and two tail ends C. The resulting larva will have two heads D. The resulting fly will have legs growing out of its headarrow_forwardGene expression does not vary by ________. a. cell type c. stage of development b. extracellular conditions d. the genetic codearrow_forward
- Which of the following statements is incorrect? a. Some gene expression patterns can be passed to an individual's offspring. b. Expression of a master regulator triggers a gene expression cascade. c. X chromosome inactivation is necessary for normal development of male mammals.arrow_forwardThe only thing that effects gene expression is if the gene is dominant Choose: A. Yes, all genes are either dominant or recessive B. No, all dominant genes are the best option but might not be expressed C. No, there are other factors that can determine gene expression D. Yes, all genes can be expressed if your cell wants toarrow_forwardHox genes encode transcription factors that a. control segmentation. b. promote determination. c. cause cell differentiation. d. do all of the above.arrow_forward
- With regard to cancer cells, which of the following statementsare true?A. Cancer cells are clonal, which means they are derived from asingle mutant cell.B. To become cancerous, cells usually accumulate multiplegenetic changes that eventually result in uncontrolledgrowth.C. Most cancers are caused by oncogenic viruses.D. Cancer cells have lost the ability to properly regulate celldivision.arrow_forwardWhy is it easier to manipulate embryonic stem cells to differentiate into various tissues than it is to manipulate a typical adult cell? a. As cells develop, signaling pathways can cause some genes to be turned off during development. b. Adult cells have different DNA content than do embryonic stem cells. c. Emybronic stem cells pose less of a threat for organ rejection as do an individual s own adult cells. d. It is no easier to manipulate emybronic stem cells to differentiate into various tissues than it is to manipulate a typical adult cell.arrow_forwardThe bicoid protein in a larval fly is produced by mRNA that originally came from Group of answer choices A) tissue of some random fly that happened to be in the neighborhood B) tissue of the father fly C) larval tissue D) tissue of the mother flyarrow_forward
- Regulation of gene expression is necessary because: A) all cells do not need to express all genes B) all genes must be expressed in all cells C) some cells express all genes D) some genes must be expressed in all cellsarrow_forwardHomeotic genes encode proteins that function as a. cell-signaling proteins. b. transcription factors. c. hormones. d. all of the above.arrow_forwardTranslational control of gene expression occurs within thea. nucleus.b. cytoplasm.c. nucleolus.d. mitochondria.arrow_forward
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