3rd Grade Science Quiz
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HEREDITY: INHERITANCE AND VARIATION OF TRAITS
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A Labrador retriever had 6 puppies: 3 yellow, 2 black, 1 chocolate. What trait shows variation in the puppies?
A
Fur color varies: yellow, black, and chocolate puppies.
B
They are all the same fur color because they are all Labradors.
C
The puppies vary because they learned different tricks.
D
They are different animals, not puppies, because colors differ.
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