Genetics/Mating Question...

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That would be dominant white, and onl one copy of the gene. Two copies will cover (prevent) it. Recessive white prevents both black and red, much more completely, but also requires two copie as it is recessive.
 
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That would be dominant white, and onl one copy of the gene. Two copies will cover (prevent) it. Recessive white prevents both black and red, much more completely, but also requires two copie as it is recessive.

Thanks for the correction. I can't always remember the recessive white thing. I mostly was trying to get someone smarter than me to answer terwelpbantams question.
 
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Cross the white with the buff= cochins with Color

Back cross white cochin roo with daughters= 1/2 white cochins and 1/2 cochins of color


There are three different ways of obtaining a white chicken; 1. using recessive white, 2. using dominant white plus a few more genes, 3. using multiple gene combinations.

Using recessive white is the least complicated of the possibilities. Two recessive white genes work differently than the other possibilities. The genes actually switch off the color producing biochemistry that takes place in a cell.

Tim
 
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White Cochins are recessive white so unless you know the genetic background of yours there is no way to know exactly what that mating will produce, however if you bred his daughters back to him, you would get half white and half the other color.
 

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