Lynn,
Covering red females (Hatch or Roundhed) with a Silver Duckwing male will result in grey pullets and golden duckwing stags. If you breed grey pullets back to silver duckwing male, then resulting backross will yield silver duckwing stags only and grey pullets.
If your "silver" duckwing is actually golden, then you will get 50% of stags as golden duckwing and 50% red with same pattern for pullets.
Remember, silver duckwing cock carries two copies of grey gene while golden carries only one. Hen can carry only one or zero copis of grey gene.
Covering red females (Hatch or Roundhed) with a Silver Duckwing male will result in grey pullets and golden duckwing stags. If you breed grey pullets back to silver duckwing male, then resulting backross will yield silver duckwing stags only and grey pullets.
If your "silver" duckwing is actually golden, then you will get 50% of stags as golden duckwing and 50% red with same pattern for pullets.
Remember, silver duckwing cock carries two copies of grey gene while golden carries only one. Hen can carry only one or zero copis of grey gene.