EBK HUMAN BIOLOGY
11th Edition
ISBN: 9780100545939
Author: MCMILLAN
Publisher: YUZU
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Textbook Question
Chapter 17, Problem 6SQ
In a human zygote, the cell divisions of cleavage produce an embryonic stage known generally as a _______.
- a. zona pellucida
- b. gastrula
- c. blastocyst
- d. larva
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Chapter 17 Solutions
EBK HUMAN BIOLOGY
Ch. 17 - Define and describe the main features of the...Ch. 17 - Prob. 2RQCh. 17 - Summarize the development of an embryo and a...Ch. 17 - Label the early development stages shown in the...Ch. 17 - Prob. 1SQCh. 17 - During cleavage, the _______ is converted to a...Ch. 17 - Prob. 3SQCh. 17 - Prob. 4SQCh. 17 - _________ is the gene-guided process by which...Ch. 17 - In a human zygote, the cell divisions of cleavage...
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- Which of the following rows correctly completes the following sentence? ______A_____ occurs during fetal development when an embryo is not exposed to adequate levels of ____B___ _______ during neurulation. Select one: a. A B Malformation of the limbs Thalidomide b. A B Spina bifida Vitamin B12 c. A B Anencephaly Folic acid d. A B Microcephaly Zika virusarrow_forwardEctodermal cells of the developing embryo give rise to_____________ . a. bone tissue b. the kidneys c. the lining of the urethra d. the epidermisarrow_forwardIn the development of amniotes (reptiles, birds, mammals), the defining feature of gastrulation is/are the __________________________. Choose all possible answers. a. Blastopore b. Blastomere c. Blastocoel d. Primitive streak e. Epiblast f. Koller’s sicklearrow_forward
- Which of the following is a genetic disease that causes neurons in the brain to waste away and die? A. Multiple sclerosis B. Polio C. Encephalitis D. Huntington's diseasearrow_forwardBMPs are released from the ___________ blastula-stage embryo? a. dorsal b. ventral c. medial d. lateralarrow_forwardAn example of a rare genetic disorder in which a person lacks enough blood-clotting proteins caused by a change in one of the genes. a. baldness b. hypertrichosis pinnae auris c. color blindness d. hemophiliaarrow_forward
- Layer A is called _____X________, and ______Y________ develops from this layer. Select one: a. X Y Ectoderm Nervous system b. X Y Endoderm Nervous system c. X Y Endoderm Lining of the digestive tract d. X Y Ectoderm Lining of the digestive tractarrow_forwardAfter the zygote undergoes several mitotic divisions, the resulting structure that implants in the endometrium is called Select one: a. zygote b. morula c. blastocyst d. embryonic discarrow_forward_________is used to measure the number of neurotransmitters in a given region of the brain. A.microdialysis B.deep brain stimulation C.electron microscope D.stereotaxic apparatusarrow_forward
- To map the location of a tumor in the brain, a neuropsychologist uses a/an ______, which creates a three-dimensional model of the brain using magnetic fields rather than radiation. A. CT B. PET C. ESB D. MRIarrow_forwardObservations of the developing chick embryo reveal that skeletal muscles develop from the transplanted somites even though motor neurons innervating those muscles arise from chick neural crest cells. Based on these observations, what is MOST likely true? A. Neural crest cells differentiate into somites. B. Neural crest cells fuse with developing somite cells. C. Neural crest cells develop from migrating somite cells. D. Neural crest cells send projections into developing somites.arrow_forwardA body cavity fully lined with tissue derived from mesoderm is called a______ . a. coelom c. complete digestive tract b. pseudocoelom d. gastrovascular cavityarrow_forward
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Embryology | Fertilization, Cleavage, Blastulation; Author: Ninja Nerd;https://www.youtube.com/watch?v=8-KF0rnhKTU;License: Standard YouTube License, CC-BY