Question

please help fan and medal!!!!
What does it mean when scientists say that living organisms share a universal genetic code?

Answer 1

It means that they all share DNA and the 4 bases Adenine Thymine Cytosine Guanine and use the same system of cell production - a bit like as if all computers used WINDOWS (they don't) - if they did then the operating system would be a "universal code" or if we all spoke English - then it would be universal.
In theory organisms could use another chemical other than Carbon (that we are based upon) - like Silicon - the chemical needs to have certain valencies to allow complex chemistry.
In the film 5th Element - the superbeing had more strands on their DNA - but essentially was still based on

Answer 2

@vera_ewing

Answer 3

sorry i don't know