Biology, 16.05.2021 17:00, witerose2974
When crossing over occurs, part of a chromatid on one chromosome breaks off and switches positions with the matching portion of a chromatid on the homologous chromosome. How does crossing over affect the possible genetic combinations in the offspring formed from these gametes?
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What causes darkening of the skin as melanin production increases
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Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?
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