Suppose a mutation induces expression of the B-class gene in all four floral whorls. Assuming A-class and C-class genes are expressed normally, what is the expected structure of the flower from the outside to the inside?

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Petal-petal-stamen-stamen

  

Sepal-petal-petal-carpel

  

Sepal-sepal-carpel-carpel

  

Sepal-stamen-stamen-carpel

 

asked Jun 21, 2013 in Genetics by GeneX ~Top Expert~ (7,947 points)
    

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Petal-petal-stamen-stamen

answered Jun 21, 2013 by GeneX ~Top Expert~ (7,947 points)

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