Cell specialization is determined by the specific array of genes. Genes that codes for the synthesis of a polypeptide are called structural genes. Regulatory genes serve as binding sites for transcription factors and polymerases. Transcription factors regulate the binding of the transcription complex to the core promoter. Cellular differentiation is essentially the process by which cells become different. Other concepts discussed here are signal transduction, homeotic genes and embryonic development.
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Lecture Duration: 01:17:40
Released: January 2019
CONTROL OF GENE ACTION
Development of morula and blastula/blastocyst is initially talked about. Cellular differentiation and pattern formation along with the morphogensis and apoptosis are brought under consideration. Moreover, structural and regulatory genes alongside lac operon is elaborated. Also, repressible tryptophan operon and transcription factors are also highlighted.
Cellular differentiation occurs via transcription factors. It occurs by the binding of hormone, protein-protein interaction or phosphorylation. Additionally, signal transduction and pleuripotency together with developmental plasticity and pattern formation are explicated. Besides, morphogenesis, homeotic genes and Hox complexes are delineated.
ORGANIZATION OF EMBRYONIC DEVELOPMENT
Section three focuses on the organization of embryonic development. In the beginning of this section, embryo development and the factors in normal morphogenesis are deliberated. In addition to this, congenital defects in conjunction with the trendsandimpacts.
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