Germ layer induction + gastrulation 0.0 / 5 ? BiologydevelopmentalUniversityNone Created by: SarahCreated on: 21-04-18 11:37 what forms from the ectoderm? nervous system, pigment cells and the epidermis 1 of 10 what are key processes to get a single cell --> embryo? proliferation, migration, cell communication, tissue morphogenesis 2 of 10 what is the first cell fate decision to be made? whether to be a top cell (epiblast/animal) or bottom cell (hypoblast/vegetal) 3 of 10 what forms the 3 germ layers? the top layer- epiblast 4 of 10 what does the mesoderm form? kidneys, limbs, somites (skeletal muscle, smooth and cardiac) + blood 5 of 10 what does the endoderm form? gut, lung, pancreas and thyroid 6 of 10 how do morphogens make cells different? depending on the conc received by the cell it turns on different TFs 7 of 10 what is the apparently uniform group of cells that you start with? the morula (berry) 8 of 10 how do you get so many cells in early embryogenesis? mitotic divisions (proliferation) 9 of 10 why is the zygote already polarised? unequal distribution of cytoplasmic components 10 of 10
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