Barred. Checkered?? Black and white???

[SamuelMcF]

Okay so in my high school biology class today we were talking about different types of genetics. And one of the examples was that if you breed a pure white chicken with a certain variety of black chicken you will get a "checkered" chicken. know that did not seem right to me because it was my understanding that the barred gene is it's own gene?? And I was like its called barred lol not checkered!!!!!! Thx for the info lol

 

[Chris09]

I don't think that is right...

There 3 Genes for White Plumage.
S - Is the Sex-linked gene silver, as seen on light sussex. The opposite gene is gold (s) This gene only changes the "red " or "gold" parts of an E locus plumage pattern, not the black parts of those patterns.

Recessive white ('c') is the gene responsible for most white breeds of fowl. It is a mutation that simply does not function as does the normal dominant gene (C). Birds that are heterozygous for this gene (Cc) can make black pigment perfectly well, but are little less than fully efficient at gold/red pigments.

The dominant white ('I') gene is mainly found in white leghorns. It is completely dominant, being less efficient as suppressing gold/red pigment than black pigment.

As for checkered I think that term would be Pied (pi) as in the Exchequer Leghorn.
( But I don't think you aren't going to get Pied with out first adding the Mottling gene (mo) )

Chris

 

[Mary Of Exeter]

GAH. I hate the "checkered chicken" example they ALWAYS give. Putting a black and white chicken together will not give you anything "checkered" or BARRED, as the pictures in the books always show

Barred is it's own gene. Anything could be hiding under that white too. If they wanted to be a little bit more correct, they could at least picture a mottled chicken, so that it at least looks possible, haha

But even that doesn't work that way.

 

[Cindiloohoo]

And the teacher didn't KNOW any better? High School teacher? That is sad......

 

[Chris09]

We need more teachers like tadkerson (from this site) he is/was a high school biology teacher that knew what he was talking about....

Chris