This blog will cover and explain the specification for Edexcel triple science course 2013 for biology. Hope it helps :)
DONT USE IT!!!! ITS WRONG
What's wrong about it?
It's a Prank
The Biology Syllabus has changed…Here is a New blog for the 2017 Syllabus: http://igcse-biology-2017.blogspot.hk
more at http://igcse-biology-notes.blogspot.hk/2017/06/314-understand-that-gene-is-section-of.html