Viruses are not living things - so where did they come from? Scientists have proposed three different hypotheses.
Genetics
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Research Scientist
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Head of Research and Chief Accessibility Officer
The patchwork fur colour of Calico and tortoiseshell cats is an interesting case of genetics, heredity and sex-linked traits.
![Mitosis of kidney cells © Ian P Newton & Paul L Appleton [CC BY-SA 4.0], Wikimedia Commons](/sites/default/files/styles/resource_card_image_360x300_/public/2019-08/600px-Mitotic_MDCKs.jpg?itok=VLMyMgJd)
Mitosis is an important part of cell division that helps organisms grow and repair themselves.
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Postdoctoral Fellow