Class 12 October 21, 2009 - Wesleyan...

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Class 12 October 21, 2009 1 Model for developing Spemann’s organizer

Transcript of Class 12 October 21, 2009 - Wesleyan...

Page 1: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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Model for developing Spemann’s organizer

Page 2: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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Cortical rotation

Page 3: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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http://worms.zoology.wisc.edu/frogs/fert/subcortrot/spotmove.html

Grey crescent formation

Page 4: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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Uv irradiation

Uv irradiation

Page 5: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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Rotation rescues uv ventralization

Double rotations

Page 6: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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Page 7: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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Beta-catenin is dorsally located

Page 8: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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Page 9: Class 12 October 21, 2009 - Wesleyan Universitysdevoto.web.wesleyan.edu/218/lxrs/12-Oct21actual.pdfDEVELOPMENTAL BIOLOGY, Eighth Edition, Figure 10.2 (Part 2) ©2006 Sinauer Associates,

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