The way that tools of molecular biology can be used to compare the DNA of two individuals is the restriction enzyme and gel electrophoresis can be used to match or compare DNA. Meanwhile, PCR can be used to copy DNA if there is no enough DNA to examine
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I think the answer is 3 and 4
Answer:
D
Explanation:
The different species benefit from each other and reflect positive signs.
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It is a. true.
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A blood vessel is a tubular structure that carries blood through tissues and organs.
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