check out feathersite http://www.feathersite.com/Poultry/CGP/Sex-links/BRKSexLink.html some traits are sexlinked, they come with the male chromosome W A rooster has two of these male W chromosomes He passes one W chromosome to each of His offspring a hen has a W and a Z chromosome. She passes one or the other to each of her offspring The ones that get her Z will be hens. More importantly to your question, these girls get Their W from their father If for instance If mom is Barred and dad isn't the babies will get the non-barred W gene from dad all the girls will will be non barred the boys will get the dominant barred W gene from mom and will be barred RIR rooster to BR hen gives barred boys and black girls Walt
