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Sorry, that's not right.

Remember that both parents must have at least one recessive trait for their children to express the recessive trait.  The parents in this punnent square both have two of the dominant traits.  All of their children will have the dominant trait.  Also because each of the children will have pure "RRs" all of the grandchildren will also have at least one big "R" which means that all the grandchildren of two "RR" parents will have the dominant trait.

Why don't you try again.

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