11.   In the third trimester, again under the influence of general genetic instructions, cortical regions begin to hook up and the folding begins.

12.   In theory, the jumping traits would also carry the genetic instructions to prevent the weeds from reproducing.

13.   Isis Pharmaceuticals Inc. is working with Novartis AG on antisense technology, which disables the genetic instructions of cancer cells.

14.   Just days earlier, two rival scientific teams had unveiled their first interpretations of the human genome, the set of genetic instructions that specify how humans are made.

15.   Now, because of machines that rapidly decode DNA, the chemical chain that embodies the genetic instructions, snips are becoming more accessible and more highly prized.

16.   Our genetic instructions are unique to us, a script inherited from our parents.

17.   Over the years, they jury-rigged a combination of genetic instructions from a daffodil, pea, bacterium and a virus to make the beta carotene molecule.

18.   Repetitive DNA confuses the machinery that translates genetic instructions into proteins.

19.   Right-handedness, to this way of thinking, is the most obvious mark of the genetic instructions that separate us from speechless, symmetric beasts.

20.   Sequencing the human genome is a tangible goal but only part of a much larger endeavor, that of understanding what the genetic instructions in the genome mean.