It argues that male sauropods that inherited a longer neck, caused by a chance mutation, would be more attractive to females.

One way organisms evolve in nature is through chance mutations.

Surely, such a thing could never have evolved in tiny steps by chance mutation?

Moreover, such 'evolution' by chance mutation has no goal in mind.

The end product of a whole different set of chance mutations and choices over some millions of years.

And a woman's voice added, "Have you ruled out chance mutations?"

Unaltered, that is, save for occasional chance mutations.

Rather, it's a chance mutation that happens in the girl's own DNA.

Nor do organisms have to wait around for "chance mutations" in order to change.

Many of these networks were found to be radically altered in cancer cells, and these alterations had a genetic basis caused by a chance somatic mutation.