Developmental Biology Exam 2 Study Guide.docx - Developmental Biology Exam 2 Study Guide Vocabulary 1 Embryo \u2013 multicellular organism at any stage of

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Developmental Biology Exam 2 Study Guide Vocabulary 1. Embryo – multicellular organism at any stage of development before birth or hatching 2. Fetus – vertebrate embryo after attaining basic form (human: from 3 months after conception until birth) 3. Embryology – study of embryos 4. Developmental Biology – study of embryonic processes (plant meristems, insect imaginal discs, etc.) 5. Development (Embryogenesis) – process of: a. Growth b. Shaping i. Morphogenesis – development of shape/form (molding-clay, sculpting-marble) c. Patterning i. Pattern Formation – development of pattern (painting) 6. Periodic – extremely regular in spacing with high precision (zebra stripes, fingerprints) 7. Spacing Patterns – spacing is somewhat uniform (hairs are uniform in spacing but not orientation) 8. Lattices – hexagonal lattices/honeycomb of structures (Insect Eye, Feathers) 9. l [sections for test 2: 2 definitions 5 matching expt to conclusions 1 observations to conclusions 1 model to case study 1 technique to purpose] Case Studies Why do we need to go past Positional Informational Gradients?
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