Yeah, that was my point. Any hen which is heterozygous for black and duckwing is useless for red sexlinks 50 percent of the time.I don't think they are sexlinks. I think they are just an example of how a chicken that looks black or blue can also be carrying the genes for another color or pattern.
 
	 
 
		 
			
		
		
		
	
	
			
		 
			
		
		
		
	
	
			
		 
 
		 
 
		
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		