Answer:
5) About a week
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A researcher performs FISH with a probe against a known chromosome 3 sequence on cells with a small deletion on the p arm of chromosome 3. The most likely explanation when two fluorescent spots appear is: the sequence targeted by the probe is not within the deleted region.
<h3>What is FISH?</h3>
In genetic testing, FISH stands for Fluorescence in Situ Hybridisation. This is a test that looks for specific gene changes in cells. By doing FISH, we could look for specific parts of genes to detect genetic mutations and understand a variety of chromosomal abnormalities. If two fluorescent spots appear, it is most likely the sequence targeted is not within the deleted region.
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Because they rely on their dense fur for insulation from the chilly ocean water, sea otters are particularly vulnerable to the detrimental effects of an oil spill. If a sea otter swims into an oil spill, its fur becomes soiled and loses its insulating qualities, allowing water to penetrate to its skin, causing hypothermia and ultimately, death.
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