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Genetic variation in the color of corn kernels
Primates in the New World tend to be small-bodied compared to those elsewhere.
Early-maturing boys tend to be advantaged because they often fit cultural ideals of masculinity.
A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat ...
When strain A and strain B auxotrophs are grown in a common medium
Soybean plants in nitrogen-poor soil show how root nodules affect growth. Only the darker green plan