Human Biology (MindTap Course List)

11th Edition
Cecie Starr + 1 other
Publisher: Cengage Learning
ISBN: 9781305112100



Human Biology (MindTap Course List)

11th Edition
Cecie Starr + 1 other
Publisher: Cengage Learning
ISBN: 9781305112100
Chapter 17, Problem 2RQ
Textbook Problem

Define cell differentiation and morphogenesis, two processes that are critical for development.

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.

Explanation of Solution

Cell differentiation is the formation of mature cells with a specific structure and function. This is based on the activation of certain genes and the suppression of others during the gene expression for the synthesis of a functional gene product. Cells into specialized types depend upon the expression of genes in a particular cell. There are particular genes or combinations of genes that express in cells at a particular time decide the fate of cell. Sometimes, genes express (are turned on) and sometimes they remain repressed (are turned off). The decisions made by the genes whether to express or not determines the shape and function of cells.

Morphogenesis is a process in which differentiated cells in specific locations becomes spatially organized into recognizable structures. The morphogenesis process proceeds through pattern formation...

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