The answer is A. brain
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The children have a chance at being homogeneous for that trait. If the father was heterogeneous for the trait the four children will be heterogeneous and only one will be homogeneous for that trait.
Answer:
A process or system that is used to produce a particular result.
Red blood cells carry oxygen; white blood cells fight disease.
D, a sonic boom is only produced when a body is traveling faster than sound