twentyonegenetics - WHEN I GET OUT, SOMEONE'S DAMN-SURE...

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WHEN I GET OUT, SOMEONE'S DAMN-SURE GONNA DIE!!!!
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Poultry Genetics ANS 3384
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Single Gene Traits in Poultry • Chromosome 1 O – Blue Egg Color o + normal Na – Naked Neck na + normal feathering P – Pea Comb p + normal Chromosome E22C19 I – Dominant White i + normal (Removes Black) (Allows black)
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Genes on the Z (Sex) Chromosome in Chickens • K – late feathering k + - early feathering • S – silver (removes red) s + allows red • Dw + - normal size dw – sex-linked dwarfism
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“Auto-sexing” using the Silver Gene X Red Male s+ /s+ Silver Female S/-
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Male (yellow S/s + ) and Female (reddish s + / - ) chicks from the cross of a Rhode Island Red Rooster with White Leghorn Type Hens
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“Auto-sexing” using the Slow- feathering Gene • Cross Fast-feathering Males (k + k + ) • With Slow-feathering Females (K/ -) • The Fast-feathering chicks will be female (k + / -) and the Slow-feathering chicks will be male (K/ k + )
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Single Cross Two-Breed Terminal Cross
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twentyonegenetics - WHEN I GET OUT, SOMEONE'S DAMN-SURE...

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