BECKHAM
12-12-2013, 09:10 AM
Genetic influence explains almost 60% of the variation in GCSE exam results, twin studies suggest.
for more .... (http://www.bbc.co.uk/news/health-25337953#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)
for more .... (http://www.bbc.co.uk/news/health-25337953#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)