Answer:
Crossing over is a biological occurrence that happens during meiosis when the paired homologs, or chromosomes of the same type, are lined up. Hope this helps :)
Explanation:
Hey mate!
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Humans use selective breeding to pass desired TRAITS on to the next generation of organisms.
Hope this helped!
Our hands have oils that will change the polarities of the substances when doing the chromatography. Since the purpose<span> of chromatography is to separate the compounds in a mixture we would end up with altered results.</span> The same goes for getting the paper wet.
A molecule.
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