In this video I review the 4 key stages of development of an organism: determination, differentiation, morphogenesis, and growth. I also discuss the role genes play in development or organisms and resulting divergent, parallel, or convergent evolution of species.
Time stamps:
- Genes, Development, and Evolution: 0:00
- Development has 4 key stages: Determination, differentiation, morphogenesis, and growth: 0:11
- Determination sets the fate of a cell: 0:37
- Differentiation forms specialized cells: 0:46
- Epigenetics involves phenotype changes without DNA sequence alterations: 2:58
- Histone modification affect accessibility of genes: 6:16
- Morphogenesis is the development of body form via the French flag model: 13:53
- Apoptosis or programmed cell death: 17:09
- Cell growth: 19:07
- Developmental-genetic toolkit are genes that control development: 21:21
- Toolkit gene can be expressed in a different pattern: 24:04
- Toolkit gene can acquire a new function: 25:54
- Convergent, divergent, and parallel evolution: 26:57
Full video below:
- Full video and playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0FYO6bxFbBAtVJ9sDOJnH72
- Notes: https://peakd.com/hive-128780/@mes/messcience-3-overview-of-biology
- MES Science playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0FjJpwnxwdrOR7L8Ul8VZoZ .
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