BIOC19H3 Lecture : bioc19 Lecture 1 notes
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Bioc19 l e ct u r e 1 p r i n ci p l e s o f de v e l o p m e n t. Developmental biology study of the developing animal from the fertilized egg right through to the adult stage (i. e. male producing sperm and female producing egg) study of the development of specific tissues (e. g. formation of blood cells, lens cells, muscle cells, etc. ) can be studied at two levels: morphological looking at structure of tissue/cells; began with observations using naked eye then progressed to using microscopes, molecular changes in gene expression underlying morphological changes (e. g. in. regulation of gene expression underlies morphological changes seen in development. Hmga2 key gene regulating height in people, thought to increase/regulate cell production. but many genes often work together to achieve a morphological trait. Historical advances in developmental biology: phase i descriptive studies. accessibility extra-uterin (egg outside of female)
