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 Mixed Fry?

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Pleco James
Large Bristlenose
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Male Number of posts : 243
Age : 19
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Registration date : 2011-02-15

PostSubject: Mixed Fry?   Sun Feb 20, 2011 12:25 am

Hi, i would love to breed BNs and soon hope to as a friend is willing to give me one of his females, but my question is, would there be a mix of common and albino fry from 2 common parents?

Any help appreciated Very Happy

Thanks

James
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Doug
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PostSubject: Re: Mixed Fry?   Sun Feb 20, 2011 1:54 am

it is possibe but you need to know the genetics of the parents. The current thinking is that the brown gene is dominant. So if you have two brown bristlenose and they both have the ablino gene then you will get some albino fry.

if B is the brown gene and b is the ablino gene then the cross will go something like this

Bb x Bb
|
Gives
|

BB Bb Bb bb <- and this bb is the albino so you can expect to have about 25% albino fry. but the issue is that most common brown bristlenose are BB, not Bb, and if that is the case then its more like this


BB x Bb
|
Gives
|
BB Bb BB BB <- all of which are brown

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geophagus guy
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PostSubject: Re: Mixed Fry?   Sun Feb 20, 2011 8:07 am

they should through 1/4 albino fry I think
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Pleco James
Large Bristlenose
Large Bristlenose


Male Number of posts : 243
Age : 19
Location : Surrey, England
Job/hobbies : Fishkeeping, Cricket, Rowing, Fishing, Camping
Humor : Michael McIntyre and Rhod Gilbert
Thank You Points : 11
Registration date : 2011-02-15

PostSubject: Re: Mixed Fry?   Sun Feb 20, 2011 9:45 am

thanks for all the help, i understand the gene dominance idea now Doug, thanks again cheers cheers

so providing the brown gene is more dominant...if a male brown and female albino bred, would there be about 60% brown and 40% albino fry?

Thanks for the help cheers

James
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PostSubject: Re: Mixed Fry?   Today at 12:31 pm

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