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BIOL 430 2010 lecture 13 handout

BIOL 430 2010 lecture 13 handout - BIOL 430 Lecture 13...

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BIOL 430 th Lecture 13 February 9 2010 Segment polarity genes and compartments Segmentation : selector and Segmentation : selector and homeotic genes BIOL 430 Molecular Genetics of Development 2010 Dr. Ian Chin-Sang (www.chin-sang.ca)
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How do the final segments boundaries of the larva and adult become established? Answer: The segment polarity genes What is meant by segment polarity? mutations in these genes cause defects in the A-P segment polarity i.e. mirror-image,or tandem duplications of either anterior or posterior parts. segment polarity genes act during the cellular blastoderm as opposed to the syncytium BIOL 430 Molecular Genetics of Development 2010 Dr. Ian Chin-Sang (www.chin-sang.ca)
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