Re: Role of yunk-DNA

br.hessels@xxxxxxxxx wrote:

A trait (and gene-expression) can only vary in a continuous, gradual
way, if something in the genome varies in a continuous, gradual way.

For DNA, being digital code, this is not obvious. Digital code is
sensitive to change. A change in the coding region of a gene will
likely result in a non-functional gene-product. There is no clear
correlation between genetic change and phenotype change.

Measure the magnitude of such changes and a correlation would
be pretty clear.

However, what can vary in a continuous, gradual way? DNA-length.

Strictly speaking, that's just as digital as other aspects of DNA.

That's the role of yunk-DNA. It allows for the controlled
and measured introduction of variation in a population,
making continuous, gradual evolutionary change possible.

Um, that's not right :-(
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