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Labrador Retriever Genotype Quiz

Explore genetics in Labrador retrievers - determine the genotype of a dog with normal vision having offspring with a mix of normal and blind puppies. Answer the question in your notebook within 5 minutes.

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Labrador Retriever Genotype Quiz

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  1. Are You Another Einstein?

  2. Take 5 minutes to answer this question in your notebook…

  3. In Labrador retrievers, normal vision (N) is completely dominant over being blind (n). You have a lab with normal vision and want to determine it’s genotype. When it has puppies, half of its offspring are normal, and half are blind. What was the genotype of your dog?

  4. 5 minutes In Labrador retrievers, normal vision (N) is completely dominant over being blind (n). You have a lab with normal vision and want to determine it’s genotype. When it has puppies, half of its offspring are normal, and half are blind. What was the genotype of your dog?

  5. 4 minutes In Labrador retrievers, normal vision (N) is completely dominant over being blind (n). You have a lab with normal vision and want to determine it’s genotype. When it has puppies, half of its offspring are normal, and half are blind. What was the genotype of your dog?

  6. 3 minutes In Labrador retrievers, normal vision (N) is completely dominant over being blind (n). You have a lab with normal vision and want to determine it’s genotype. When it has puppies, half of its offspring are normal, and half are blind. What was the genotype of your dog?

  7. 2 minutes In Labrador retrievers, normal vision (N) is completely dominant over being blind (n). You have a lab with normal vision and want to determine it’s genotype. When it has puppies, half of its offspring are normal, and half are blind. What was the genotype of your dog?

  8. 1 minute In Labrador retrievers, normal vision (N) is completely dominant over being blind (n). You have a lab with normal vision and want to determine it’s genotype. When it has puppies, half of its offspring are normal, and half are blind. What was the genotype of your dog?

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  19. It’s Time to Start Class! E =MC2

  20. Answers with • 50% puppies normal (NN or Nn) & 50% blind (nn) • Nn (heterozygous) • N n • n • n

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