Genetics
Bourke's Parrot Mutations
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Rosa Bourke is a sex-linked mutation
Cinnamon Bourke is a recessive mutation
Cream Bourke is a recessive mutation
Pink Bourke is a sex-linked recessive mutation
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Breeding Expectations

ClearParents/Young

Cock
Hen
Cocks
Average
Hens
Average
Clear
Rosa
Normal
/Rosa
1 in 2
Rosa
1 in 2
Normal
Rosa
/Rosa
1 in 2
Normal
1 in 2
/Rosa
Rosa
Rosa
/Rosa
1 in 4
1 in 4
Rosa
Normal
1 in 4
1 in 4
Rosa
Rosa
Rosa
1 in 2
Rosa
1 in 2
Rosa
Cream
/Rosa/Cream
1 in 2
Rosa/Cream
1 in 2
Cream
Rosa
/Rosa/Cream
1 in 2
/Cream
1 in 2
/Cream
Normal
*/Cream
*Normal
1 in 4
1 in 4
*/Cream
*Normal
1 in 4
1 in 4
Normal
/Cream
*/Cream
*Normal
1 in 4
1 in 4
*/Cream
*Normal
1 in 4
1 in 4
/Cream
/Cream
Cream
*/Cream
*Normal
1 in 4
1 in 2

1 in 4
Cream
*/Cream
*Normal
1 in 4
1 in 2

1 in 4
Cream
/Cream
Cream
/Cream
1 in 2
1 in 2
Cream
/Cream
1 in 2
1 in 2
/Cream
Cream
Cream
/Cream
1 in 2
1 in 2
Cream
/Cream
1 in 2
1 in 2
Cream
Normal
/Cream
1 in 2
/Cream
1 in 2
Normal
Cream
/Cream
1 in 2
/Cream
1 in 2
/Rosa/Cream
Rosa/Cream
Pink
*Rosa/Cream
Cream/Rosa
*Rosa
*/Rosa/Cream
*/Rosa
1 in 16
1 in 8

1 in 16

1 in 16

1 in 8

1 in 16
Pink
*Rosa/Cream
Cream
*Rosa
*/Cream
*Normal
1 in 16
1 in 8

1 in 16

1 in 16

1 in 8

1 in 16
/Rosa/Cream
Cream
*/Rosa/Cream
*Cream/Rosa
*/Cream
*Cream
1 in 8
1 in 8

1 in 8

1 in 8
Pink
Cream

Rosa/Cream

/Cream
1 in 8
1 in 8

1 in 8

1 in 8
Cream/Rosa
Rosa
Rosa/Cream
/Rosa/Cream
1 in 4
1 in 4
Rosa/Cream
/Cream
1 in 4
1 in 4
Cream/Rosa
Cream
*Cream/Rosa
*Cream
1 in 4
1 in 4
Pink
Cream
1 in 4
1 in 4
Cream/Rosa
Rosa/Cream
Pink
Rosa/Cream

Cream/Rosa

/Rosa/Cream
1 in 8
1 in 8

1 in 8

1 in 8
Pink
Rosa/Cream

Cream

/Cream
1 in 8
1 in 8

1 in 8

1 in 8
Cream/Rosa
/Cream
*/Rosa/Cream
*/Cream
Cream
1 in 8
1 in 4

1 in 8
Pink
Cream

Cream
1 in 8
1 in 4

1 in 8
Rosa/Cream
Cream
Cream/Rosa
/Rosa/Cream
1 in 4
1 in 4
Pink
Rosa/Cream
1 in 4
1 in 4
Rosa/Cream
Rosa/Cream
Pink
*Rosa/Cream
*Rosa
1 in 8
1 in 4

1 in 8
Pink
Rosa/Cream

/Rosa
1 in 8
1 in 4

1 in 8
/Rosa/Cream
Pink
Pink
Rosa/Cream

Cream/Rosa

/Rosa/Cream
1 in 8
1 in 8

1 in 8

1 in 8
Pink
Rosa/Cream

Cream

/Cream
1 in 8
1 in 8
1 in 8
1 in 8
Cream/Rosa
Pink
Pink
Cream/Rosa
1 in 4
1 in 4
Pink
Cream
1 in 4
1 in 4
Rosa/Cream
Pink
Pink
Rosa/Cream
1 in 4
1 in 4
Pink
Rosa/Cream
1 in 4
1 in 4
Pink
Rosa/Cream
Pink
Rosa/Cream
1 in 4
1 in 4
Pink
Rosa/Cream
1 in 4
1 in 4
 

    / = Split
    * Denotes ambiguity i.e. These birds would have to be test mated to determine if and to what they were split.
    Mating nos. 7,8,9,14,15,17,19 & 21 in this table produce ambiguity in cocks.
    Mating nos. 7,8,9 &14 produce ambiguity in hens.
    The mating of two red-eyed birds should be avoided,the result being weak young.

LEGEND :

*Appear Normal
*Appear Rosa
*Appear Cream

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