Connection between DNA and consiousness

[Nirvanalight]

Does someone know to which extent there is a connection between DNA and consiousness? I was wondering what the consequences or for our consiousness when our DNA is changing. 

[hamedsf]

the more you choose your thoughts consciously. joy and pleasure instead of suffering and affliction, the more it will reflect changes in your genes. 

I mean is it fair to see the same result? 

[hamedsf]

as a matter of fact, cheap proteins are produced from junk DNA. the main reason for employment of junk DNA is your own negative thoughts and emotions.