21.   These genes have many counterparts in yeast and must have been highly conserved through evolution for two such different organisms to carry matching sets.

22.   These master patterning genes have immediately recognizable cousins in vertebrates like humans, although there are somewhat more of them.

23.   While the gene has potential in the fight against AIDS, the patent intensifies the debate over the propriety of patenting human biology.

24.   He said the gene has no known function in the pancreas, but it is present in the brain.

25.   This gene has nothing to do with cancer, but researchers used it as an indicator of how often particular kinds of mutations had occurred generally in the newborn.

26.   When transferred to salmon, the gene had the unexpected effect of putting a growth hormone which is normally kept in check into overdrive.