ADSA Joint meeting 2007 (
VanRaden & Tooker
QTL Relationship Matrix (
Three bulls have +50 PTA protein.
Do they have the same genes?
Bull A could have 10 positive genes.
Bull B could have 10 positive genes,
but on different chromosomes.
Bull C could have 20 positive and 10
Unlikely, unless one gene controls the trait.