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  1. NatJ

    SLW x cuckoo marans...sex link?

    Um, not quite. There's a combination of genes that work together to cause lacing. Minor variations cause spangling, or pencilling, or multiple lacing. They tend to be dominant over the not-laced or not-spangled (etc) forms. They can show up on E^R, E^Wh, e^b, e+, and so forth. But not on E. If...
  2. NatJ

    SLW x cuckoo marans...sex link?

    In this generation, that's correct. If the daughters get crossed back to their laced father, some of those chicks should show lacing. If you want to model it in the genetics calculator: make a laced bird, then set the first dropdown box to E / [anything]. That E gene (Extended Black) is about...
  3. NatJ

    SLW x cuckoo marans...sex link?

    There might be some color leakage (bits of silver showing), but yes it would come out mostly black. The Cuckoo Marans is (genetically) a solid black bird with white barring. She will pass the "solid black" part to all of her chicks, but she passes the white barring only to her sons. So the sons...
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