Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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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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Endoderm, Mesoderm, and Ectoderm are formed during ________.
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Chapter 17 Solutions
Human Biology (MindTap Course List)
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 is part of the male reproductive system only?______________ A. bartolin glands B. ovaries C. uterus D. seminal vesiclesarrow_forwardDuring embryonic development, unique cell layers develop into specific groups of tissues or organs during a stage called ________. a. the blastula stage b. the germ layer stage c. the gastrula stage d. the organogenesis stagearrow_forwardWhat is the correct path of sperm during ejaculation?_________ A. Ejaculatory duct, epididymis, vas deferens, urethra B. Vas deferens, ejaculatory duct, epididymus, urethra C. Epididymis, ejaculatory duct, vas deferens urethra D. Epididymis, vas deferens, ejaculatory duct, urethraarrow_forward
- The foramen ovale causes the fetal circulatory system to bypass the ________. a. liver b. lungs c. kidneys d. gonadsarrow_forwardWhich 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_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
- Match the structures found in the fetal circulation with what each fetal structure becomes after birth: _____ Foramen ovale a. Ligamentum venosum _____ Ductus arteriosus b. Fossa ovalis _____ Ductus venosus c. Ligamentum arteriosarrow_forwardEach of the following terms is a descriptive term for a muscle's action, EXCEPT ____________. a.Pronator b.Levator c.Trapezius d.Adductor At what stage uteroplacental circulation started? a.Maternal blood entering the lacunar b.Formation of lacunar c.Formation of extraembryonic mesoderm d.Embryo completely embeddedarrow_forwardBMPs are released from the ___________ blastula-stage embryo? a. dorsal b. ventral c. medial d. lateralarrow_forward
- Which of the following structures develops into only the fetus? a. Inner cell mass b. Trophoblast c. Blastocyst d. Zygotearrow_forwardContact with the zona pellucida triggers ___________, causing sperm to release digestive enzymes that break down the ___________. Group of answer choices a. capacitation/corona radiata b. capacitation/zona pellucida c. the acrosome reaction/zona pellucida d. the acrosome reaction/corona radiataarrow_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
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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