EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Chapter 17, Problem 2RQ
Summary Introduction
To define: Cell differentiation and morphogenesis and the two processes that are critical for development.
Introduction: Gestation or pregnancy is the period during which offspring develops within a woman. This involves several developmental stages of fetus. In humans, pregnancy is nearly nine months long, divided into three trimesters, involving several changes in the mother and the growing fetus.
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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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- How is cell communication involved with processes of development?arrow_forwarddefine adult and embryonic stem cells and their varieddegrees of developmental plasticity;arrow_forwardWhat specific molecular factors determine the differentiation of embryonic stem cells into different cell types during development?arrow_forward
- Describe the following shared developmental processes: - cell division - cell/cell interactions - cell movement and coordinated cell shape changes - programmed cell deatharrow_forwardCell differentiation occurs through _______________, whereas morphogenesis involves _______________. (a) pattern formation; cell determination (b) cell division; cell expansion (c) cell expansion; pattern formation (d) cell determination; cell division (e) cell determination; pattern formationarrow_forwardExplain differentiation, specialization, and morphogenesis?arrow_forward
- Which of the following best describes the concept of cell differentiation during the development of a multicellular organism? A. During development, all of the genes in the embryo's cells are expressed at first, but fewer and fewer are expressed as time proceeds. B. During development, different sets of genes are deleted from different cell types so that at the end of development, each cell has only the genes it needs. C. During development, different cells become specialized to have different phenotypes even though they all originated from the same cell. ..arrow_forwardFor each of the following: ECM, CAMs and cell junctions, describe at least 2 specific examples of a developmental process that include molecules from the category as a component. Specify the molecule involved in each category (e.g. ECM: collagen, CAMs: cadherins, Cell junctions: desmosomes). Include images to illustrate the process. Category Developmental Process Image ECM 1 2 CAMs 1 2 Cell Junctions 1 2arrow_forwardWhat is the importance of apoptosis in normal development?arrow_forward
- Which of the following can be regarded as unipotent stem cells. Germ cells B Induced-pluripotent stem cells Adult stem cells D Embryonic stem cells Primordial germ cells that have not reach the gonadsarrow_forwardDistinguish between mutations in somatic cells versus in germ cells.arrow_forwardWhat are some of the ethical issues that arise from using embryonic stem cells?(b) To avoid these issues, scientists use IPSCs. What are the pros and cons to using iPSCs inrelation to embryonic stem cells?arrow_forward
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