Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 39.5, Problem 1TYK
The three germ layers of triploblasts are established during
- fertilization.
- cleavage.
- blastula formation.
- gastrulation.
- neurulation.
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Students have asked these similar questions
Some Step Involved In The Process of Fertilization.
1. Zygote
2. Morula
3. Oocyte
4. Fertilization
5. Clevage
6. Blastocyte
The order in which steps numbered above occur in the process of fertilization is
,
,
,
,
,
When the embryo is implanted, what developmental stage this be?
cleavage
fetus
blastula
gastrula
From which of the following is the embryo developed?
Trophoblasts
Inner cell mass
Blastocoelen
The yellow sacks
Chapter 39 Solutions
Principles of Biology
Ch. 39.1 - Choose the correct statement. The majority of...Ch. 39.2 - In _________ gametes are released in large numbers...Ch. 39.2 - In which way is gametogenesis similar in males and...Ch. 39.3 - Prob. 1CCCh. 39.3 - Prob. 1TYKCh. 39.3 - Prob. 2TYKCh. 39.4 - Prob. 1BCCh. 39.4 - Prob. 2BCCh. 39.4 - Prob. 1CCCh. 39.4 - Prob. 1TYK
Ch. 39.4 - Prob. 2TYKCh. 39.5 - The three germ layers of triploblasts are...Ch. 39.5 - Choose the correct sequence of events. cleavage...Ch. 39.6 - Under what condition(s) might you expect temporary...Ch. 39.6 - Prob. 2TYKCh. 39 - Prob. 1TYCh. 39 - Prob. 2TYCh. 39 - Spermatogonia are haploid germ cells. d. have...Ch. 39 - Prob. 4TYCh. 39 - Prob. 5TYCh. 39 - Prob. 6TYCh. 39 - A major function of FSH is to stimulate the...Ch. 39 - Prob. 8TYCh. 39 - Prob. 9TYCh. 39 - Cells of the neural crest give rise to the central...Ch. 39 - Prob. 1CCQCh. 39 - Prob. 2CCQCh. 39 - Prob. 3CCQCh. 39 - Describe the major events in animal development...Ch. 39 - Describe the events of the ovarian and uterine...
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- During cleavage, the _______ is converted to a ball of cells, which in turn is transformed into the __________. a. zygote; blastocyst b. trophoblast; embryonic disk c. ovum; embryonic disk d. blastocyst; embryonic diskarrow_forwardWhich phase of development does blastopore form Cleaveage Organogenesis Blastulation/blastula Fertilization Gastrulationarrow_forwardWhich process occurs between the zygote and the embryo stagearrow_forward
- Place the number corresponding to the correct germ layer in the blank. ____ Mesoderm ____ Ectoderm ____ Endodermarrow_forwardFill in the blank: _________________ fluid protects the embryo from jarred movements and provides a watery environment fordevelopment.arrow_forwardWhich of the following occurs to the blastocoel during Xenopus development? is replaced by the expanding archenteron becomes the archenteron gives rise to the mesoderm gives rise to the endodermarrow_forward
- Which of the following is not true about neurulation? Choose all possible answers. a. Segregation of neural ectodermal rudiment from the epidermal ectoderm. b. In primary neurulation, the neural plate thickens along its midline into a solid cord of cells that is displaced internally and cavitates to form a hollow tube. c. In secondary neurulation, the neural plate folds along the anterior-posterior axis of the embryo, forming a tube that detaches from, and is displaced under, the epidermal ectoderm. d. Ectoderm forms the neural tube e. Mesoderm forms the reproductive organs f. Endoderm forms the gut g. All are true about neurulationarrow_forwardIn cleavage states what is blastomeres, 2-cell stage, 4-cell stage, and 8-cell stage.arrow_forward"In the early cleavage stages, when the embryo cannot yet feed, the developmental program is driven and controlled by the material deposited in the egg by the mother" is true or false.arrow_forward
- The formation of three germ layers is called Select one: a. gastrulation b. pluripotency c. differentiation d. neurulationarrow_forwardDuring morphogenesis, gastrulation does which of the following?A. Gastrulation produces the ectoderm through formation of a blastocyst.B. Gastrulation produces the mesoderm to form the lining of the digestive tract.C. Gastrulation provides the mechanisms whereby cells can form the neural tube.D. Gastrulation produces the endoderm through invagination of the blastula.arrow_forwardIn frog neurulation the notochord _______ the formation of the _______ in the ectoderm next to it. Group of answer choices expresses, neural plate induces, neural plate induces, somites expresses, somitesarrow_forward
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