Punnett Squares Case Study

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Simple Dominance: Monohybrid Crosses, Punnett Squares Worksheet Sheep Traits |Trait |Dominant Allele |Recessive Allele | |Facial Color Pattern |[pic] |[pic] | |(Icelandic Sheep) |B=Badger Face |b=Solid Face | |Number of Horns |[pic] |[pic] | |(Jacobs Sheep) |T=Two Horned |t=Four Horned…show more content…
Nick is crossing his true-breeding, badger faced ewe with Chris’ true-breeding, solid face ram. What type of lambs can Nick and Chris expect? Parents: ____________X____________ | | | | | | | | | | | | | | | | | | | | | | | | Genotypes: ___________: /4 or _______ % , __________: /4 or _______ %, ___________: /4 or _______ % Phenotypes: __________________: /4 or ________ %, __________________: /4 or ________ % 2. Alexis has a ewe that has one allele for badger face and one allele for solid face. She wants to breed it with Simone’s ram that has one allele for badger face and one allele for solid face. What type of lambs can Alexis and Simone expect? Parents: ____________X____________ | | | | | | | | | | | | | | | | | | | | | | |…show more content…
Jayden has a ewe that has one allele for badger face and one allele for solid face. He wants to breed it with Simeon’s true-breeding, solid faced, ram. What type of lambs can Jayden and Simeon expect? Parents: ____________X____________ | | | | | | | | | | | | | | | | | | | | | | | | Genotypes: ___________ : /4 or _______ % , __________: /4 or _______ %, ___________: /4 or _______ % Phenotypes: __________________: /4 or ________ %, __________________: /4 or ________ % Number of Horns 4. Alyssa has a ewe that is true-breeding for two horns. She wants to breed it with Jose’s true-breeding, four horns, ram. What type of lambs can Allyssa and Jose

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