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Old 04-02-2013, 05:17 PM   #1 
iGoatfish
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Breeding EE

I have an ee male that I bred three times with two different non EE females. How ever none of the offspring are showing any signs of EE. Now the first spawn are young adults and only 6 survived with no EE at all. Now the other two spawns are about two and half month old in a grow out tank and there are about fifty or so. Not seeing the EE on any of them. Can some one tell me more about the EE gene? Is it somthing that I will see once I jar the fish? Both of the females are vail tails. Before you lecture me about breeding VT. I have already acquired some quality fish and have stopped bringing more VT into the world. So what I looking for is some info on how to bring EE gene into my breeding line? Btw one of the first six turned into an amzing half moon with no vailish qualitys at all.
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Old 04-02-2013, 05:35 PM   #2 
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Its recessive so youd need to cross back to the EE parent or to a sibling or another EE carrier. I know one guy who did many EE x normal spawns and they popped up again in F2
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Old 04-02-2013, 05:51 PM   #3 
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So in thory if I breed him with one his offspring I will get a few EE. Interesting! I see breeders useing the term F1, F2, etc. what does that mean?
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Old 04-02-2013, 06:02 PM   #4 
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Yep :). F1, F2 etc just basically generations. So F1 is the outcome from your your initial cross (the babies from your EE x normal), F2 is an inbred cross on that (sibling, father daughter etc) F3 is an inbred cross on that and so on
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Old 04-02-2013, 06:03 PM   #5 
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Yes, they're recessive. You'll only get a few in F2 but at least! F1 stands for generation 1, the first spawn of the line and then F2 for the 2nd spawn etc. etc.
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Old 04-02-2013, 06:20 PM   #6 
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Very very recessive.. why I only breed EE to EE.
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Old 04-02-2013, 09:28 PM   #7 
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Thanks for clearing up the F1 thing for me that been puzzling me for a while now. Now would there be any preference on breeding f1(brother) to f1(sister) or breeding f1(doughter) to father? Did I say that right?
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Old 04-02-2013, 09:34 PM   #8 
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Father to daughter would be better, think of breeding a half to a half (bro x sis) compared to a half to a full (daughter x father) the father would give the extra EE genes since he has 2 copies of them them already. I cant really explain it well haha so I hope that made sense.
Its kind of like the babies are half the father then breed back to him and youll get more of the fathers genes in them
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Old 04-02-2013, 09:51 PM   #9 
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That makes sense to me. Now I guess it just have to wait for the right petty girl to grow up. Thanks for you help. Now I have to decide if I should evan try to breed out the half vail tail or start over with one of my half moon females or just go buy a EE female. Or maybe I will just do all three. Any way thanks the genetics lesson!
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Old 04-03-2013, 01:05 AM   #10 
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F1 = Filial 1 = First generation
F2 = second generation . . . . and so on.
If you keep inbreeding (breeding brother to sister), theoretically F4 = F0 . . . meaning; the fourth generation should have the same or at least similar genes to the parents (F0).

EE = regular ear/pectoral
ee = big ear

(F0) Regular x Big ear = 100% big ear geno
Parents ---- E ------ E
e ----------- Ee ---- Ee
e ----------- Ee ---- Ee
(they should physically look regular)
....................................

(F1) geno x (F1) geno
P --------- E --------- e
E --------- EE -------- Ee
e --------- Ee -------- ee
25% regular, 50% geno, 25% big ear (F2)
.......................................

(F2) Big ear x big ear = 100% big ear (F3)
p ---------- e --------- e
e ---------- ee -------- ee
e ---------- ee -------- ee

Father Big Ear x daughter Ee geno
p ........... e ......... e
E ........... Ee ........Ee
e ........... ee ........ ee
50% geno, 50% Big Ear

So theoretically you should have better chance on creating EE bettas if you back cross to EE parent or breed to another EE betta.
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