Word: geneses
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Embryo cells are infinitely easier to work with because they are, in the jargon of cell biologists, largely "undifferentiated." That is, they have not yet undergone the progressive changes that turn cells into skin, muscles, hair, brain and so on. An undifferentiated cell can give rise to all the other...
If the human gene pool can be seen as a sort of species-wide natural resource, it's only sensible for the rarest of those genes to be husbanded most carefully, preserved so that every generation may enjoy their benefits. Even the most ardent egalitarians would find it hard to...
The cortex is arguably the greatest piece of engineering known. Scientists from all fields--ranging from embryology to computer science--strive to learn how its structure participates in the developmental program of our genes.
Among the Irish, a bardic genius for remembering, the grievances singing in the genes, has kept the kettle of sectarian vengeance boiling since the Battle of the Boyne in 1690. Israel became a state in 1948, and for 49 years Palestinian children have gone to sleep to stories of the...
The recent accumulation of evidence suggests that of the four genes which scientists have so far identified as being connected with A.D., all four operate to increase levels of A. beta proteins in the brain when defective.