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What was Thomas Hunt Morgan's main contribution to science?
He discovered that certain traits were linked to the X chromosome.
He discovered that certain traits were linked to the Y chromosome.
He created the first white-eyed female Drosophila.
He created the first white-eyed male Drosophila.
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Always use significant figure rules. remember that these rules apply to all numbers that are measurements. if a vector that is 3 cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent? a.100 km/h b.60km/h c.50km/h

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