Genomes are the sum total of DNA in an organism and represent very complex molecular templates that serve as design plans for organisms. DNA is transcribed into RNA and RNA into protein.
However, not all DNA is specifically translated into protein. Most genes include exons and introns; following transcription into RNA the intron sequences are usually removed. In addition, large blocks of DNA, known as non-coding DNA, exist between specific genes.
It is surprising that widely diverse organisms have a similar number of protein-coding genes. Genes, their composition and their evolution have an interesting relationship to the organism's complexity.
Which ONE of the following statements is FALSE?