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Morphogenesis - Spatial Differences in Gene Expression...

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Spatial’Differences’in’Gene’Expression’Lead’to’Morphogenesis Morphogenesis :’organization’and’spatial’distribution’of’differentiated’cells.’ Process’of’forming’patterns’and’tissues.’ o Closely’linked’to’ pattern formation :’process’that’results’in’the’ spatial’organization’of’tissues.’ o Example:’arms,’legs,’hands’and’feet’must’adopt’different’patterns;’ organs’must’take’on’particular’shapes;’the’body’ segments’of’an’insect’ must’develop’in’the’correct’locations.’ o Use’ inducers § Positional Information: information’provided’to’cells’in’a’ particular’location.’This’information’often’comes’in’form’of’ inducer’molecules.’ § Morphogens: ’ inducers’that’provide’positio nal’information’ (pattern’formation).’Inducers’that’are’involved’in’particular’ things’in’cell’development.’
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Morphogenesis - Spatial Differences in Gene Expression...

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