The three-parent baby. BBC LEARNING 6 minutes English.

http://www.bbc.co.uk/learningenglish/persian/features/6-minute-english/ep-150402

How genes shape face

http://www.bbc.co.uk/worldservice/learningenglish/language/wordsinthenews/2013/10/131025_witn_face_story.shtml

Genetic engineering- BBC Learning

http://www.bbc.co.uk/bitesize/standard/biology/biotechnology/reprogramming_microbes/revision/2/

Genetic variation and genetic disorders. Review, activity and test. Para todos.

http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/inheritance/genetic_variationrev1.shtml

Review, activity and test.

BBC schools GCSE-Science

http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/
 BBC is a good choice.