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BIO Magazine - Why are some people left handed? Δεκέμβριος 2015
Δεκέμβριος 2015 No38

BIO Interview

Why are some people left handed?
Why are some people left handed?

We find out about assymetry in nature: by firstly examining our hands. Do other species exist handedness? Is it genetic? Is it true that left handers are bad at language?

Chris Smith was first joined by biologist Chris McManus from University College London.WritingChris M. -   There's no one gene, but what there does seem to be is, it’s more than possible that there's a large number of genes.  All of which have small effects.  In that sense, it’s no different to height, intelligence, weight, and a thousand other complex traits that we’re looking at.  I think probably what's happening is that you have a left-handed child and a left-handed parent and they will have the same gene producing that.  But I have a left-handed mother and a left-handed daughter and it will be a different gene that’s made our children left-handed.

http://www.thenakedscientists.com/HTML/content/interviews/interview/1000657/

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