what is the name of the structure where gastrulation begins in each animal below. Frog and fish has two different names, list them both. Xenopus (frog) 1. _______ frog 2. ______ zebrafish 1. ______ zebrafish 2. _______ mammals 1. _______ The hypoblast becomes a specific structure that is known by two different names. What are they? 1. ______ 2. ______

what is the name of the structure where gastrulation begins in each animal below. Frog and fish has two different names, list them both. Xenopus (frog) 1. ___ frog 2. zebrafish 1. zebrafish 2. _ mammals 1. _ The hypoblast becomes a specific structure that is known by two different names. What are they? 1. 2. ____

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter17: Development And Aging

Section: Chapter Questions

Problem 1RQ: Define and describe the main features of the following developmental stages: fertilization,...

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___________ removes webs between developing digits. a. Gastrulation c. Apoptosis b. Lactation d. Implantation
Which of the following statements is false? a. Cadherins, but not integrins play a role in gastrulation. b. Gastrulation creates the primary germ layers c. Gastrulation requires cells to change their gene expression. d. Body axes are stabilized (made permanent) during gastrulation.
Which of the following statements about gastrulation is correct? A. During gastrulation, the contents of cell nuclei begin to vary so that they can start to perform different fucntions. B. During gastrulation, cells differentiate so that they can start to perform different functions. C. The formation of the endoderm, mesoderm, and ectoderm occurs after gastrulation. D. The formation of the endoderm, mesoderm, and ectoderm occurs before gastrulation.
A gastrulation does NOT Select one: A. Consist of endoderm, mesoderm, and ectoderm B. Result in the formation of a third layer in the embryonic disc C. Involve the formnation of germ layers D. Include the differentiation of cells into tissues and organs
During 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.
What are the three main cell types formed during gastrulation? Give examples of which tissues are formed from each cell type.
Match the terms in column A with the descriptions in column B. Column A a. blastocystb. chorionic villic. ectodermd. endoderme. mesodermf. morulag. trophoblastColumn B 1. germ layer that gives rise to muscle and bone tissues2. hollow ball of cells3. cells forming wall of blastocyst4. solid ball of about sixteen cells5. inner germ layer of embryonic disk6. slender extensions that grow out from the trophoblast7. outer germ layer of embryonic disk
List and describe the phases of embryonic development; from a zygote through gastrulation. What happens after gastrulation?
List and describe some developmental anomalies associated with gastrulation.
Which statement relating to frog gastrulation is INCORRECT? a. A second set of bottle cells migrates inward to create the ventral blastopore lip. b. Gastrulation begins in the gray crescent where bottle cells invaginate. c. Cells just below the DBL begin to invaginate. d. The yolk plug is not internalized and will become part of the ectoderm.
The epiblast and hypoblast both develop from the inner cell mass cells in the mammalian embryo. The hypoblast becomes a specific structure that is known by two different names. What is this structure? Provide both names. 1. The hypoblast becomes the: ___________________ 2. The hypoblast becomes the: ____________________ Provide the name of the structure that is where gastrulation begins in each animal model. In the case of the frog and fish, this structure is known by two different names – there is a space below to provide each name. 1. Xenopus (frog): ___________________ 2. Xenopus (frog): ____________________ 3. Zebrafish: ____________________ 4. Zebrafish: ____________________ 5. Mammals: ____________________
What are the correct pairings of developing and embryonic structures in the gastrulation of chickens? Multiple answers is possible. If no correct option is given write the proper pairings. a. Epiblast – ectoderm b. Secondary hypoblast – endoderm c. Primary hypoblast – endoderm d. Migrating cells - mesoderm