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New Member
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Last Login: 10/29/2009 10:05:42 PM
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Okay, i get the basics of genetics, when I draw the graph Aa and Bb sort of deal... however I have a question.
I have a Lavender male Leopard Gecko and a Bell Mac Snow female Leopard Gecko who's brother was a lavender stripe... if I breed the LAvender to the Bell MAc Snow do I have any shot of getting LAvender babies OR do I then have to keep back a baby male and breed it back to her? Not comfortable with Line or inbreeding, however I understand the need for it in certain cases... anyone????? 
Thanks
Danielle
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Last Login: 11/5/2009 12:47:03 PM
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Well, I do know that Bell Albinos are recessive... It depends on whether or not Lavenders are dominant, co-dominant or recessive.
My herps:
2.3.0. Leopard geckos
(High Yellow X Albino), named Kirby
(Tangerine Tornado), named Esmerelda
(Rainwater Patternless Albino), named Kiwi
(Regular Jungle), named Pongo rescued
(?), named Maria rescued
1.0.0. Red Eye Tree Frog
(Heterozygous Xantic), named Rufus
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Junior Member
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I am not great with leopard gecko genetics but it sounds like you may have a chance.... the bells brother was a lavender so it's possible there is lavender in her genes as well but depending on the pairing of the parents it might be possible theres not as well. If it is present in the bells genes then I would think a small portion of the babies would be lavender. it may take a few breedings to achieve this IF it even happens because leopard geckos generally only lay two eggs at a time...to my knowledge at least...as I have said many times I am not much of a leopard gecko person I am merely speculating.
As for the line breeding, it is not something you need to worry about so much in reptiles. They are far less susceptible to the genetic break down mammals suffer from inbreeding which causes deformities and other problems. Thats not to say it wont happen and you should breed all of your related animals together and never introduce new blood....no....don't do that. Constant inbreeding is still bad and will still cause problems but within the first and second generations it is not usually a problem.
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New Member
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Last Login: 11/5/2009 12:57:34 PM
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bell may not have the allele for the lavender color. Just because her brother is lavender doesn't mean she carries those traits at all. it would be best for genetic health of future offspring to mate bell to a different lavender line. If you get lavender babies then she carries the genes. the results for "pure bred" inline breeding can be seen in dogs, look at all the problems labs have.
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| Mammals are much more likely to get problems from inbreeding than reptiles though. First generation babies bred back to the parents generally don't cause problems in any animals. Mammals tend to start showing problems with second generation and reptiles generally wont have any till 3rd 4th sometimes even farther down. It is better not to inbreed, but if it is a first time thing the chances of getting a genetic defect out of it are very slim. That is how most of the albinos (and various other morphs) in the herp trade were created.
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