Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Chapter 61, Problem 3.2A
Summarize your observations of any similarities noted between sea urchin and human early development stages.
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Indicate if it disappears or dissolved in the process of development.
•amniotic cavity
•blastula
•cleavage
•ectoderm
•embryoblast
•embryonic disc
•endoderm
•epiblast
•fertilization
•gametes
•gastrulation
•hypoblast
•intermediate mesoderm
•lateral plate mesoderm
•mesoderm
•morula
•neural crest cells
•neurulation
•notochord
•occipital somites
•paraxial mesoderm
•primitive node
•primitive streak
•trophoblast
•yolk sac
Address the items below as they relate to human embryology;
a) discuss when the germ layers of human development begin to form, explain how each originates, explain what each will differentiate into, and what happens to each layer immediately after formation
b) distinguish the developmental differences between a 20 day old embryo and a 4wk embryo in humans.
A human is a complex organism that develops from a zygote. Briefly explain some of the the steps in this development process in the form of a paragraph. In your answer, be sure to: 1) explain how a zygote formed, 2) compare the genetic content of the zygote to the body cells of the parents, 3) identify the structure in which embryonic/fetal development usually occurs within, and 4) identify the structure that forms, which provides nourishment and waste removal to/from the developing baby.
Chapter 61 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 61 - The ovum and sperm unite and form a diploid cell...Ch. 61 - The ________ is the development stage that...Ch. 61 - Which of the following is not an extraembryonic...Ch. 61 - The placenta is comprised of a. only the...Ch. 61 - The embryonic stage of human development exists a....Ch. 61 - The zonapellucida gel layer surrounds the...Ch. 61 - A single completed oogenesis sequence produces...Ch. 61 - A single completed spermatogenesis sequence...Ch. 61 - Human gametes Contain ______________ chromosomes.Ch. 61 - The diploid number of human chromosomes found in...
Ch. 61 - To create genetic variation, ______________...Ch. 61 - To create genetic variation, ______________...Ch. 61 - The cell resulting from fertilization is called...Ch. 61 - Tiny cells that form during meiotic divisions of...Ch. 61 - Fertilization and early embryonic development...Ch. 61 - A solid ball of about sixteen cells is called a...Ch. 61 - The part of meiosis that is most similar to...Ch. 61 - Meiosis I reduces the chromosome number in half,...Ch. 61 - Implantation of the ____________ into the...Ch. 61 - The two-cell, four-cell, eight-cell, and morula...Ch. 61 - Match the terms in column A with the descriptions...Ch. 61 - Summarize your observations of any similarities...
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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
- Answer the following questions. 1. Where does a sea star embryo get its nutrition during prelarval stages of development? 2. More recently evolved organisms have modified the stages of embryological development. Would you expect early or late stages to be modified the most? Why? 3. The basic stages of embryological development are remarkably similar for a wide range of organisms. How would you explain such consistency? 4. As cells invaginate and move about, do they “know” where they are? If not, how is movement controlled? If so, how do they perceive their position?arrow_forwardDiscuss all the processes involved in the development of the following organs:1. Insect wing and legs2. Vertebrate limb3. Teeth4. Vertebrate lungs, heart and eyesarrow_forward1-Propose an example of an (non-insect) animal with indirect post-embryonic development and continuous growth. 2-Propose an example of an (non-insect) oviparous animal with direct post-embryonic development.arrow_forward
- Using the space below please address the items below as they relate to human embryology; a) discuss when the germ layers of human development begin to form, explain how each originates, explain what each will differentiate into, and what happens to each layer immediately after formation b) distinguish the developmental differences between a 20 day old embryo and a 4wk embryo in humans.arrow_forwardList down 3 differences and 3 similarities between the embryonic development of human & chicksarrow_forwardList the advantages of evolving a deuterostome pattern of development.arrow_forward
- Define the following terms with respect to mammalian development •Chormesodermal mantle •Somites •Neural plate •Neural tube •Neural crest •Spinal cord •Embryonic inductionarrow_forwardIntegrate your knowledge of cell division (both meiosis and mitosis) with early events in development (fertilization, development of the embryo).arrow_forwardPlease be precise on this question. Describe how early developmental processes in Eutherian mammals are different from those of other vertebrates.arrow_forward
- The figure below shows a time-dependent decrease in size (F to H) of a Hyloxalus frog's yolk plug (labeled with "yp") due to morphogenic movements of vegetal cells towards the internal of the embryo. What major stage of embryonic development is shown in the figure above? Choose the best answer. E 10 F st 12 H st 12.5 O Gastrulation O Fertilization O Blastulation O Cleavage Formationarrow_forwardIn this discussion, you will discuss the evolutionary advantages of the amniotic egg. Explain how each component of the egg plays a role in survival of the embryo.arrow_forwardBriefly describe how the HoxC-6 gene affects vertebrate development.arrow_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