State the main phenotypes in this British quiz show

[Tooting Carmen]

It is an episode of University Challenge, a quiz where, each week, two competing universities each with four contestants answer questions.

http://www.bbc.co.uk/iplayer/episode/b04nz2gr/university-challenge-20142015-episode-16

[Tooting Carmen]

bump

[Iltirbas]

Posters outside the UK won't be able to give a proper answer since BBC iPlayer is geo-restricted.

[Odin]

Mainly Brünns, Keltic-Nordids, and few Anglo-Saxons.