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Delve into the weird and wonderful world of your genes - with Dr Kat Arney.

Find out what you're made of, one gene at a time - with Dr Kat Arney.

Find out what you're made of, one gene at a time - with Dr Kat Arney.

Find out what you're made of, one gene at a time - with Dr Kat Arney.

Find out what you're made of, one gene at a time - with Dr Kat Arney.

Find out what you're made of, one gene at a time - with Dr Kat Arney.

Delve into the weird and wonderful world of your genes - with Dr Kat Arney

Find out what you're made of, one gene at a time - with Dr Kat Arney

Find out what you're made of, one gene at a time - with Dr Kat Arney

Find out what you're made of, one gene at a time - with Dr Kat Arney

Find out what you're made of, one gene at a time - with Dr Kat Arney

Find out what you're made of, one gene at a time - with Dr Kat Arney