Concept explainers
Explain why many developmental genes encode either transcription factors or signaling molecules.
To analyze:
To describe the reason for the fact that a number of developmental genes are responsible to encode for the transcription factors and signaling molecule.
Introduction:
The genes that direct the development and fate of an organism are known as developmental genes. Developmental genes code for the indicating molecule or transcription factor. The transcription of genetic information is controlled by the transcription factor.
Explanation of Solution
Transcription factor can initiate or stop the transcription of a particular gene in response to stimuli. This activity permits the variation in all morphology required for cellular differentiation. In this way, the transcription factor plays an important role in multicellular organism development. Bicoid is a transcription factor that is important for the development of the head region in drosophila.
The maturation of the cell at a functional level is known as differentiation. In the developing embryo, differentiation of various types of cell is directed by the signaling molecule; thus both, signaling molecule and transcription, are crucial for the proper development of the organism.
Signaling molecule and transcription are crucial for the proper development of the organism.
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Chapter 18 Solutions
Mastering Genetics With Pearson Etext -- Standalone Access Card -- For Genetic Analysis: An Integrated Approach (3rd Edition)
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- Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax