Researchers believe that the gene PHAN may underlie evolutionary changes in leaf size and shape. What process or activity doesPHAN regulate?

+1 vote

 

  

expression of genes that regulate the proximal-distal axis in leaves

  

the orientation of cell division in the shoot apical meristem

  

the rate of cell division in the shoot apical meristem

  

expression of genes that regulate the upper-lower axis in leaves

 

asked Dec 28, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

expression of genes that regulate the upper-lower axis in leaves

 

answered Dec 28, 2012 by Zeka22 ~Expert~ (357 points)

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