请教~A controversy has erupted in the scientific community over the accuracy of DNA analysis in criminal investigations since the power of both single and multi-locu... 展开
请教~A controversy has erupted in the scientific community over the accuracy of DNA analysis in criminal investigations since the power of both single and multi-locus probes diminishes rapidly if the sample is old or degraded by sunlight and weather.是 样本陈旧或因受阳光和气候的影响而降解。还是 样本因受阳光和气候的影响而变旧或降解？为什么？ 收起
