Do all chickens have the same number of feathers on their wings?

Wappoke

Chirping
Dec 5, 2015
336
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Most breeds have 10 primary and 14 secondary flight feathers, Some breeds like rhode island red and barred rock can carry two genes, Sf1*Sf1 and or Sf2*Sf2, that will cause the expression of additional primary feathers. The two genes are incompletely dominant. I have not read the paper on the subject so I can not post any more information.

I have a question, to satisfy my curiosity, why are you asking the question?
 
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