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Predicting Parrotlet Color Mutations
(Single)

Recessive Mutations Demonstrated Using Punnett's Square
Each bird donates one set of chromosomes expressed with capital letters to demonstrate dominance. Recessive mutations are expressed with lower case letters. In this example "B" = blue so a normal bird not having any blue genes is expressed as "BB". A blue bird is expressed as "bb". A split Parrotlet is expressed as "Bb" denoting one blue gene.


Single Mutations
Although the blue mutation has been used in these examples, these Punnett Squares will apply to Blue, American Yellow, Pastel (European Yellow), Lutino, or Fallow Parrotlets.

  b b
B Bb Bb
B Bb Bb
Blue (bb) to Normal Green (BB)

Results:
100% Green/Split Blue (Bb)
 
  b b
B Bb Bb
b bb bb
Blue (bb) to Split Blue (Bb)

Results:
50% Visual Blue (bb)
50% Green/Split Blue (Bb)
 
  B b
B BB Bb
b Bb bb
Split Blue (Bb) to Split Blue (Bb)

Results:
25% Normal Green (BB)
50% Green/Split Blue (Bb)
25% Visual Blue (bb)
 
  B b
B BB Bb
B BB Bb
Split Blue (Bb) to Normal Green (BB)

Results:
50% Normal Green (BB)
50% Green/Split Blue (Bb)
Pairing Tips

We also recommend that you have at least 2 or 3 unrelated pairs for each color that you plan on breeding (Blue, Yellow or Lutino). This allows you to make healthy unrelated pairs from the babies - so your business can grow and profits increase! Also some breeders have had little success when trying to breed only one pair. The sound of the other pairs encourages breeding.







 

 

 

 

 

Our Parrotlets for sale include: White, Yellow, Blue, Green, Green Rump, Lutino & Albino
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