If they are homozygous for white.
Even if they are homozygous for white, their offspring will have the yellow gene.
Yellow carriers bred to yellow they will produce 50 percent yellow offspring. If you breed yellow to yellow you will get all yellow offspring.
The real person to feel sorry for is...
It being a dominant gene should make it easier to get rid of. Any offspring with yellow legs should produce yellow legged offspring. It’s the recessive genes you have to watch out for.
Ooof! :sick
No: the Standard calls for a beak that is short and well curved (and it doesn't mention it but there should also be some stoutness to it.)
At first when I saw those pictures I thought "these are rather too long, straight, and narrow!" but I kept clicking the arrow and the beaks got...