Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 20, Problem 8TY
Which of the following genes do not play a role in the process whereby segments are formed in the fruit fly embryo?
- a. MyoD
- b. gap genes
- c. pair-rule genes
- d. segment-polarity genes
- e. All of the above play a role in segmentation.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
If you observed fruit flies with the following developmental abnormalities, would you guess that a mutation has occurred in a segmentation gene or a homeotic gene? Explain your guess.
A. Three abdominal segments were missing.
B. One abdominal segment had legs.
C. A fly with the correct number of segments had two additional thoracic segments and two fewer abdominal segments.
Which of the following are types of segmentation genes?
a. Gap genes
b. Pair-rule genes
c. Segment-polarity genes
d. All of the above are types of segmentation genes.
A. An embryo sac (ovule) contains eight haploid nuclei.B. Three nuclei become three synergids, 2 polar nuclei, 3 antipodal nuclei.
A.If statement A is wrong and B is correct.
B.If both statements are wrong.
C.If both statements are correct.
D.If statement A is correct and B is wrong.
Chapter 20 Solutions
Biology
Ch. 20.1 - 20.1 General Themes in Development Concept Check:...Ch. 20.1 - Prob. 2CCCh. 20.1 - Prob. 1CSCh. 20.2 - Development in Animals I: Pattern Formation...Ch. 20.2 - Development in Animals I: Pattern Formation...Ch. 20.2 - Prob. 3CCCh. 20.2 - Core Skill: Modeling The goal of this modeling...Ch. 20.2 - Development in Animals I: Pattern Formation Core...Ch. 20.3 - Development in Animals II: Cell Differentiation...Ch. 20.3 - Development in Animals II: Cell Differentiation...
Ch. 20.3 - Development in Animals II: Cell Differentiation...Ch. 20.3 - Development in Animals II: Cell Differentiation...Ch. 20.3 - Development in Animals II: Cell Differentiation...Ch. 20.4 - Development in Plants Concept Check: Where are...Ch. 20.4 - Prob. 2CCCh. 20 - The process whereby a cells morphology and...Ch. 20 - Prob. 2TYCh. 20 - Positional information is important in determining...Ch. 20 - Morphogens are a. molecules that disrupt normal...Ch. 20 - Prob. 5TYCh. 20 - Arrange the following phases of pattern formation...Ch. 20 - Prob. 7TYCh. 20 - Which of the following genes do not play a role in...Ch. 20 - An embryonic stem cell that can give rise to any...Ch. 20 - Prob. 10TYCh. 20 - Prob. 1CQCh. 20 - The MyoD gene in mammals plays a role in muscle...Ch. 20 - Prob. 3CQCh. 20 - Prob. 1COQCh. 20 - Is it possible for a phenotypically normal female...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is the sequence in which the segmentation genes act? a. Segment-polarity genes → gap genes → pair-rule genes b. Gap genes → pair-rule genes → segment-polarity genes c. Segment-polarity genes → pair-rule genes → gap genes d. Gap genes → segment-polarity genes → pair-rule genesarrow_forwardPropose a hypothesis that could explain the following observation. A graduate student performing studies on mutations in drosophila (fruit flies) discovered a strain of flies with a silent mutation in the gene controlling the shape of the wings. Further investigation has shown that this mutation is lethal in flies who are homozygote. Flies that are homozygote wild type or heterozygote can develop and are able to survive.arrow_forwardYou have been put in charge of developing a breed of domesticated dog that lives to be 40 years old on average. You will need to brainstorm for several minutes on how you could extend the life of dogs. You should refer to the example of the fruit flies from lecture.As part of this project, the breeders will need to put together an informational brochure to hand out to veterinarians and prospective owners of the dogs, which discusses: first, how dogs' age will be extended, then, some of the potential consequences of having a pet that lives for such a long time. The brochure will need to inform prospective owners that these dogs may live 40 or more years. It should point out that someone who is 30+ years old may have to plan on care for the pet if it were to outlive him or her. Also, there will be more lifetime costs associated with these dogs simply because they live so long. These dogs may be prone to diseases that are not seen in dogs with shorter life spans. Finally, there may be…arrow_forward
- The light- sensing units of ___________ are called "Ommatidia" and are composed of a series of ____ cells. A. Caenorhabditis elegans; 10 B. Bacillus subtilis; 7 C. Osmia lignaria; 3 D. Drosophila melanogaster; 7arrow_forwardIn mammals, sperm contribute the usual haploid genome, a centriole, and a micro RNA for Bcl2. What would be the likely result if this micro RNA did not enter the egg at fertilization? a. This micro RNA is not that important and the embryo would be fine. b. The embryo would not be able to hatch. c. The embryo would not form an orgagnizer. d. The two pronuclei would not be able to replicate their DNA and begin making an embryo.arrow_forwardWhat structure is most important in forming the tetrads? a. centromere b. synaptonemal complex c. chiasma d. kinetochorearrow_forward
- Which of the following statements is TRUE? a. In mammals and chickens, the first cells to ingress through the primitive groove replace the hypoblast. b. In mammals and chickens, the first cells to ingress through the primitive groove become the hypoblast. c. In chickens the first cells through the primitive streak replace hypoblas, but in mammals the first cells to ingress through the primitive groove become the hypoblast. d. In mammals the first cells to ingress through the primitive groove replace the hypoblast, while in chickens the first cells to ingress become mesoderm.arrow_forwardHox genes encode transcription factors that a. control segmentation. b. promote determination. c. cause cell differentiation. d. do all of the above.arrow_forwardThe following are various developmental phenomena relating to the concepts and principles in developmental biology. Choose the correct answer from the list. A. Concept of apoptosis B. Concept of prefomed guidelines C. Concept of programmed gene action D. Concept of capacity E. Concept of fate F. Concept of environmental influences G. Concept of induction H. Concept of progressively formed guidelines I. Concept of Differentiation J. Concept of guidelines K. Concept of Gradient L. Concept of differentiation Question #1. Neuralizing factors are concentrated at the anterior part of the organism. What concept? Question #2. There are development control genes that specify the antero-posterior axis of the body. What concept? Question #3. The guidelines are contained in the original zygote. What concept?arrow_forward
- The following are various developmental phenomena relating to the concepts and principles in developmental biology. Choose the correct answer from the list. A. Concept of apoptosis B. Concept of prefomed guidelines C. Concept of programmed gene action D. Concept of capacity E. Concept of fate F. Concept of environmental influences G. Concept of induction H. Concept of progressively formed guidelines I. Concept of Differentiation J. Concept of guidelines K. Concept of Gradient L. Concept of differentiation Question #1. Some genes switched on all the time whereas other are genes are "turned off" at certain stage of development. What concept? Question #2. The blastomeres can become any cell of the body. What concept? Question #3. The limb bud consists of different cells which give rise to the limb. What concept?arrow_forwardThe following are various developmental phenomena relating to the concepts and principles in developmental biology. Choose the correct answer from the list. A. Concept of apoptosis B. Concept of prefomed guidelines C. Concept of programmed gene action D. Concept of capacity E. Concept of fate F. Concept of environmental influences G. Concept of induction H. Concept of progressively formed guidelines I. Concept of Differentiation J. Concept of guidelines K. Concept of Gradient L. Concept of differentiation Question #1. The outermost part of the cup-shaped embryo is destined to form the nervous system and the skin. What concept? Question #2. It refers to the directive influences in ontogeny. What concept? Question #3. Sculpturing of the fingers. What concept?arrow_forwardUsually, the mutant alleles studied in Drosophila experiments are recessive because: A. they are difficult to create. B. they are loss of function mutations. C. they do not survive as long as dominant alleles. D. they do not occur in wild-type flies.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Embryology | Fertilization, Cleavage, Blastulation; Author: Ninja Nerd;https://www.youtube.com/watch?v=8-KF0rnhKTU;License: Standard YouTube License, CC-BY