12.
									
										You have been asked to perform the plant tissue culture for generating plants with black rose, the methodology that you used for this culturing represent a technique commonly performed as 
									
								
															
														
																									
										A:
											 Vegetative propagation 
									
																										
										B:
											Colonization  
									
																										
										C:
											Negative selection 
									
																										
										D:
											Ballistic transformation 
									
																								 
							
																
									The answer is:
										A
									
								
														
							
								
								
							
							
							
								