[Cait]

satin x satin = 100% satin

satin carrier x satin = 50% satins 50% normal (carrying satin)

satin carrier x satin carrier = 25% satins 50% normal carrying satin 25% normal not carrying satin

 

[Cait]

satin carrier x normal = 50% normal carrying satin 50%normal not carrying satin

You can't tell that a mouse is a satin carrier by looking at it, only by breeding it.