Please Give a detailed explanation on F1 F2 generation, 
Self , cross breeding results etc..
please....
                                             
                                          
                                          
                                        
											 
											Answer:
F1 will be all blue
F2 25% will be white
Explanation:
By cross breeding BB and bb all flowers will end up as Bb in the first generation.
In the second generation using a punet square and breeding Bb with Bb then 1/4 is bb and therefor 1/4 is white