The evolution of new developmental patterns is primarily due to _____.

+1 vote

 

  

the evolution of entirely new classes of genes

  

broad rearrangements of the genome

  

gradual changes in the activity of cell-cell signals, transcription factors, and regulatory DNA sequences

  

All of the listed responses are correct.

 

asked Dec 28, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

gradual changes in the activity of cell-cell signals, transcription factors, and regulatory DNA sequences

 

answered Dec 28, 2012 by Luffy ~Expert~ (977 points)

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