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Scott W · Posted: Tue Sep 26, 2006 12:50 pm Post subject: Creating the albino Pied

Anyone fancy do the sums on creating the Albino Pied

ie.

Albino x Pied =
All normals but 100% het for pied & albino

Het albino pied x het albino pied =

Question

now I've done my little punnet square but wouldn't mind someone else confirming Embarassed

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mark · Captivebred Communist Joined: 09 Dec 2005 Posts: 1063

id say that it would make albino pies but wtf do i know lol Laughing

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boas and burms

Scott W · Posted: Tue Sep 26, 2006 1:05 pm Post subject:

mark · Captivebred Communist Joined: 09 Dec 2005 Posts: 1063

lol straight over my head Laughing

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boas and burms

Wendy · I've settled in... Joined: 12 Sep 2005 Posts: 47

What about the babies that carry both sets of gene's but look normal Scott?

I don't know the punnet square bits I tend to leave that bit to Tanya, but I know when I brought a poss double het snow I read up on it.. and with two 100% double het snows you had a one in 16 chance of producing a snow... my guess is its the same odds with a double het pied albino.

Scott W · Posted: Tue Sep 26, 2006 2:03 pm Post subject:

RonW · Posted: Tue Sep 26, 2006 2:22 pm Post subject:

Its quite simple, albino and pied are recessive, so let say a stand for albino, p for pied. A visual albino would be aa, a het Aa, normal AA, same for pied, pp, Pp and PP.
So combo's in the square would be
Ap ap AP aP
Ap AApp Aapp AAPp AaPp
ap Aapp aapp AaPp aaPp
AP AAPp AaPp AAPP AaPP
aP AaPp aaPp AaPP aaPP

all aa's are albino, so 4/16 = 25%, one pied, two het pied, one not het
all pp's are pied, so again 4/16 =25%, 1 albino, two het albino, one not het
only 1/16 aapp or pied albino and only one normal without any mutations.
only problem I see is you get lots of poss. hets without any way (except marker guesses) to know what they are exactly.
Clear? Smile

Scott W · Posted: Tue Sep 26, 2006 2:29 pm Post subject:

Thanks Ron, I can see I was expressing my genes wrong in my sq.
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ballmorph · Key Member Joined: 18 Dec 2005 Posts: 239 Location: London

1 in 16 will be Albino Pied
1 in 4 will be Pied
1 in 4 will be Albino
And the rest will be Poss hets for either trait

toyah · Key Member Joined: 09 Nov 2005 Posts: 228

I find the easiest way (especially when you're only wanting to know one aspect - eg. albino pieds) is to work each trait out individually like such:

Normal het. albino x normal het. albino you know gives a 1/4 chance for albinos
Normal het. pied x normal het. pied you know gives 1/4 a chance for pied.

So there is a 1/4 chance for albino, of which 1/4 of them will be pied ... 1/4 of 1/4 is 1/16

So statistically 1/16 of the offspring will be pied albinos, as has previously been said Smile