All but One of the Following Experiments Would Allow a Scientist

question 6

Multiple Choice

All but one of the following experiments would allow a scientist to discover if the phenotype of an organism would be affected by environmental changes.Choose the experiment that would NOT show environmental effects.

• A)Cuttings are taken from an English Ivy plant and are then grown in soils with different pH levels.
• B)A Siamese cat has patches of fur removed from its hips and an ice pack is secured over the area.
• C)A mouse with the genetic disorder phenylketonuria (PKU)is fed a diet low in phenylalanine for a year and then changed to a diet rich in the same molecule.
• D)A group of mice that show the same dominant trait are fed a variety of identical diets to determine if they show different body types.
• E)A hydrangea is grown for one year in aluminum-poor soil and then grown for one year in aluminum-rich soil.

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