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Which of the following observations refutes the hypothesis that characteristics acquired during a parent's lifetime are inherited by its offspring (i.e., refutes Lamarckian inheritance of acquired traits)?

A.Changes in neck length in giraffe populations are due to genetic mutations and natural selection, not stretching by individual giraffesB.Finches that live on different food sources become unable to mate with one another after many generationsC.Peppered moths change color from gray to white or black depending on the color of the tree bark on which they liveD.Primates that have been taught sign language pass that ability on to their offspring

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Which of the following observations refutes the hypothesis that characteristics acquired during a parent's lifetime are inherited by its offspring (i.e., refutes Lamarckian inheritance of acquired traits)?

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