Too much of a good thing? (Friday Evening Discourse)

Evolution is powered by variation; the differences in DNA sequences. One hugely important form is copy number variation, where genes are duplicated or deleted from one generation to the next. Aoife McLysaght will explore how copy number variations gave us colour vision, a sense of smell and haemoglobin in our blood, but also the role they play in diseases such as cancer, autism and schizophrenia.

Source: http://www.culture24.org.uk//am23223?id=EVENT468098