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Go Back   Talk Budgies Forums > Budgie Talk > Budgie Breeding > Mutations and Genetics


Mutations and Genetics Learn about budgie genetics and the wide variety of mutations.

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  #1  
Old 12-29-2009, 01:04 AM
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Default Budgie pairing

I have a light green cinnamon opaline hen budgie. If I pair it with a sky blue normal will the green be dominant, or will the babys be a greeny-blue mix? And what are the chances of the babys being cinnamon?

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Old 12-29-2009, 01:26 AM
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Originally Posted by hermit_crab View Post
I have a light green cinnamon opaline hen budgie. If I pair it with a sky blue normal will the green be dominant, or will the babys be a greeny-blue mix? And what are the chances of the babys being cinnamon?
The genetics of budgerigars are as follows :

1. Cinnamon - sex-linked gene, meaning there must be 2 genes to show in a male

2. Opaline - sex-linked gene, meaning there must be 2 genes to show in a male

3. Green - dominant gene over blue

4. Blue - recessive gene to green

If the skyblue normal male is NOT split for cinnamon/opaline, the offsprings will be 50% green normal female split for blue and 50% green normal male split for cinnamon/opaline.

If the skyblue normal male is split for cinnamon/opaline, the offsprings will be 50% green normal female split for blue and 50% green cinnamon opaline male.
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Old 12-30-2009, 11:20 PM
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Originally Posted by Jimm-V View Post
If the skyblue normal male is split for cinnamon/opaline, the offsprings will be 50% green normal female split for blue and 50% green cinnamon opaline male.

Wouldn't the females be the ones to show the cinnamon and/or opaline in this scenario? Females are more likely to show the sex linked genes, because they are on the x chromosome, correct?
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Old 12-30-2009, 11:43 PM
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Wouldn't the females be the ones to show the cinnamon and/or opaline in this scenario? Females are more likely to show the sex linked genes, because they are on the x chromosome, correct?
2many, you are right, probably I got the percentage wrong.

It should be :

If the skyblue normal male is split for cinnamon/opaline, the offsprings will be 25% green cinnamon opaline female, 25% green normal female split for blue and 50% green cinnamon opaline male. All offsprings will be green if the mother hen is not split for blue. If she is split for blue, then there will be both colours, green and blue.
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Old 12-31-2009, 02:05 AM
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i dont think it would be that simple with a cock that is split for both opaline and cinnamon. Do the cinnamon and opaline gene move together all the time? cant some chicks be opaline and not cinnamon, or the other way round? cud someone please explain.
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Old 12-31-2009, 02:45 AM
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Originally Posted by sunna View Post
i dont think it would be that simple with a cock that is split for both opaline and cinnamon. Do the cinnamon and opaline gene move together all the time? cant some chicks be opaline and not cinnamon, or the other way round? cud someone please explain.
Cinnamon and opaline are entirely different genes, not moving together. In other words, cinnamon means cinnamon only, opaline means opaline only. If both cinnamon and opaline are present, then both cinnamon and opaline appearing together. It depends on the cock whether what gene is he split to ? This also depends on his parentage whether you are aware of their mutation or not.
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Old 12-31-2009, 03:02 AM
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Originally Posted by Jimm-V View Post
Cinnamon and opaline are entirely different genes, not moving together. In other words, cinnamon means cinnamon only, opaline means opaline only. If both cinnamon and opaline are present, then both cinnamon and opaline appearing together. It depends on the cock whether what gene is he split to ? This also depends on his parentage whether you are aware of their mutation or not.
although they can be carried on the same x chromosome or on separate ones in the cock bird. so they can be passed on together or separately depending on this...
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Old 12-31-2009, 04:58 AM
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Quote:
Originally Posted by Jimm-V View Post
Cinnamon and opaline are entirely different genes, not moving together. In other words, cinnamon means cinnamon only, opaline means opaline only. If both cinnamon and opaline are present, then both cinnamon and opaline appearing together. It depends on the cock whether what gene is he split to ? This also depends on his parentage whether you are aware of their mutation or not.
thank u for confirming that cinnamon and opaline are entirely different genes. which brings to my earlier question. if they are NOT moving together, then even if the cock is split for both cinnamon and opaline, the chicks do not have to get both genes together right? one chick could inherit ONLY the opaline, while the other inherits ONLY the cinnamon, and another might get BOTH cinnamon and opaline together. this is my understanding of how the genes might move.

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Originally Posted by Jimm-V View Post
2many, you are right, probably I got the percentage wrong.

It should be :

If the skyblue normal male is split for cinnamon/opaline, the offsprings will be 25% green cinnamon opaline female, 25% green normal female split for blue and 50% green cinnamon opaline male. All offsprings will be green if the mother hen is not split for blue. If she is split for blue, then there will be both colours, green and blue.
IF they move seperately, then i assume the possible outcomes will include: cinnamon males/females,
opaline males/females,
cinnamon opaline males/females,
cinnamon males split to opaline,
opaline males split to cinnamon,
normal males split to opaline,
normal males slpit to cinnamon,
normal males split to both opaline and cinnamon, and
normal females.

(the above possibile outcomes are without color consideration)


i am no guru in genetics, but this is how i assume it would work from what i have read, from friends and the little experience of breeding budgies.

would appreciate if someone could shed some light on my confusion.
thanks
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Old 12-31-2009, 10:46 PM
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That sounds right to me .
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Old 01-01-2010, 06:18 AM
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Quote:
Originally Posted by hermit_crab View Post
I have a light green cinnamon opaline hen budgie. If I pair it with a sky blue normal will the green be dominant, or will the babys be a greeny-blue mix? And what are the chances of the babys being cinnamon?
What you get from this pair will depend on the genes the parents carry. To get any opaline or cinnamon in the chicks the cock bird would have to have genes for one of these mutations. If either of these mutations appear they will be visible in the chicks of both sexes.
Here are some possible outcomes:

If the hen is not split for blue and the cock is not split for either opaline or cinnamon you’d get:
100% normal green chicks
All the chicks would be split for blue
All the males would be split for both opaline & cinnamon


If the hen is split for blue and the cock is not split for either opaline or cinnamon you’d get:
50% normal green
50% normal blue
All the green chicks would be split for blue
All the males would be split for both opaline & cinnamon


If the hen is not split for blue and the cock is split for opaline but not cinnamon you’d get:
50% normal green (both sexes)
50% opaline green (both sexes)
All the chicks would be split for blue
All the males would be split for cinnamon
All the non opaline males would be split for opaline


If the hen is split for blue and the cock is split for opaline but not cinnamon you’d get:
25% normal blue
25% opaline blue
25% normal green
25% opaline green

If the hen is split for blue and the cock is split for cinnamon but not opaline you’d get:
25% normal blue
25% cinnamon blue
25% normal green
25% cinnamon green

If the hen is split for blue and the cock is split for both cinnamon and opaline you’d get:
12.5% normal blue
12.5% opaline blue
12.5% cinnamon blue
12.5% opaline cinnamon blue
12.5% normal green
12.5% opaline green
12.5% cinnamon green
12.5% opaline cinnamon green

There is of course always the possibility that the birds could have genes for other mutations that could show in up to 25% of the chicks
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