lecture_16a2_08

lecture_16a2_08 - Flowering Time Flower Meristem Identity...

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Unformatted text preview: Flowering Time Flower Meristem Identity Flower Organ Identity Fruit Development FT APETALA1, LEAFY, CAULIFLOWER, (TERMINAL FLOWER) A, B, C, D FRUITFULL, SHATTERPROOF INDEHISCENT B A C C A B carpel petal petal stamen stamen sepal sepal 1 1 2 2 3 3 4 normal flower sepal sepal petal petal stamen stamen carpel B B A C C A What gene prevents the B gene from being active in the center of flowers? In SUPERMAN mutants (SUP), the B activity expands into the center of the flower and converts the two carpels into two stamens. A C C A B B stamen stamen sepal sepal petal petal stamen Superman mutant The SUPERMAN gene normally functions to prevent B gene activity in the center of flowers A C C A B B stamen stamen sepal sepal petal petal stamen normal BC mutant ?? sepal sepal petal petal stamen stamen carpel B B A C C A A A A A normal BC mutant sepal sepal petal petal stamen stamen carpel B B A C C A A A A A sepal sepal sepal sepal sepal sepal * BC double mutant all organs are sepals sepal sepal petal...
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This note was uploaded on 10/16/2010 for the course BILD The Beginn taught by Professor Yanofsky during the Winter '09 term at UCSD.

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lecture_16a2_08 - Flowering Time Flower Meristem Identity...

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