Astaro t1_iw46u0v wrote
Reply to comment by ScienceIsSexy420 in How do medical researchers obtain lab animals with diseases like specific forms of cancer which arise spontaneously? Do they raise thousands of apes and hope some eventually develop the disease? by userbrn1
Why would new cancer cells include the isotope labels of thier parents? Wouldn't the amount of isotope halve with each cell division?
Chemputer t1_iwok3yc wrote
Of course, but it's very long down the line before it becomes undetectable much less low enough to be baseline.
That is actually useful in determining how many cell divisions have happened.
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