Hi, I've learned a lot from another breeder who definitely researches genetics, but the "F" terms are set by the scientific community who have worked on hybrids from corn to onions, to any two breeds or species crossing or breeding.
F1 is the first cross: 50/50 so to speak
F1b is a f1 x parent breed = f1b (75/25 of the 2 breeds)
F2 might refer to a 2nd generation, and f1b is a 2nd generation hybrid but not a true F2, as defined by the genetic labeling.
F2 in the truest or stricted terms is F1 x F1 offspring.
I heard that a 3rd generation doodle, from F1 x F1b or F1b x F1b is called an F2b? I think I would just call it a 3rd generation, and explain the parentage to our clients.
(anyone glazed over yet? :shock: )
Laypeople use the term F2 to refer to F1b but it is misleading in its literal terminology.
F1 is the first cross: 50/50 so to speak
F1b is a f1 x parent breed = f1b (75/25 of the 2 breeds)
F2 might refer to a 2nd generation, and f1b is a 2nd generation hybrid but not a true F2, as defined by the genetic labeling.
F2 in the truest or stricted terms is F1 x F1 offspring.
I heard that a 3rd generation doodle, from F1 x F1b or F1b x F1b is called an F2b? I think I would just call it a 3rd generation, and explain the parentage to our clients.
(anyone glazed over yet? :shock: )
Laypeople use the term F2 to refer to F1b but it is misleading in its literal terminology.