okay, basically, when you get two things with traits you want, you breed them until they produce offspring that has most or all of the traits you desire.
one plant has large fruit, but it's bitter. one plant has sweet, but small, fruit. we breed the two until we get large, sweet fruit.
we've invented a new type of plant based on the two older ones.
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one plant has large fruit, but it's bitter. one plant has sweet, but small, fruit. we breed the two until we get large, sweet fruit.
we've invented a new type of plant based on the two older ones.
see what i mean?