Not every modern human has the same set of Neanderthal DNA, however; different people will, by chance, have inherited different fragments. But there are also some areas, termed "Neanderthal deserts," where none of the Neanderthal DNA seems to have persisted. Notably, the largest Neanderthal desert is the entire X chromosome, raising questions about whether this reflects the evolutionary fitness of genes there or mating preferences.
// Each component enqueues a small chunk
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Фото: NorthSky Films / Shutterstock / Fotodom
该天文台配备了一台汽车大小的 LSST 巡天相机，每晚捕捉约 1000 张高分辨率图像，并通过算法自动筛选出肉眼难以察觉的星空变化。