Are You Another Einstein?

Take 5 minutes to answer this question in

your notebook…

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 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?

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?

3 minutesIn 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?

2 minutesIn 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?

1 minuteIn 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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It’s Time to Start Class!

E =MC

2

Answers with50% puppies normal (NN or Nn) & 50% blind

(nn)

Nn (heterozygous)

N n

n

n

Nn nn

Nn nn