AxB = (F1) (AxB) x (AxB) =(F2) so what was offered was (H. neopardinum x H. papilio) x (H. neopardinum x H. papilio) they might look like H. neopardinum, H. papilio, or (H neopardinum x H papilio) and each seedling might combine different features of the two original species Peter (UK) On 26 May 2014 21:37, James SHIELDS <jshields46074@gmail.com> wrote: > Hi Aad, > > It works like this: > > Crossing two different species produces a fairly uniform batch of > offspring. This is the F1 generation. Every plant in the F1 has one set > of genes from Parent 1 and one set from Parent 2. This is why they are all > more or less alike. > > Crossing any sibling plants (or selfing one of them if fertile) from the F1 > produces the F2 generation. In the F2 generation, any offspring can have > anywhere from all genes of one parent to all genes of the other parent. > They are mostly pretty well (mixed) > >