Answer:
The answer is D!
Explanation:
"Genes are regions of DNA that carry the code for making proteins."
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DFG
D
GD
GD
G
DG
G
G
GD
GD
G
G
DG
DG
DG
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Answer: A variable within a scientific experiment is something that is changed (i.e. it varies). There should be only one manipulated variable within a scientific experiment so that the experimenter can be certain it is this variable which causes a pattern in the resultant data, if any exists at all.
Explanation: