Word: seed
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Knudson's X-rays produce their changes not by affecting the chromosomes, but rather the chloroplasts themselves. Reason: chloroplasts are passed on directly from parent plant to its offspring through the seed or spore instead of arising anew in each generation under the genetic influence of the chromosomes. Knudson worked with fern spores, because they are simple and sexlessly reproductive...
...Portugall, along the river Tagus, & about Lisbon, certaine it is, that when the westwind blowes, the mares set up their tailes, and turne them full against it, and so conceive that genitall aire in steed of naturall seed: in such sort, as they become great withall, and quicken in their time, & bring forth foles as swift as the wind, but they live not above three yeres...
...seed of a South American customs union was planted last week. Argentina and Brazil signed a trade treaty by which each admits duty-free the products of any new industries established by the other. Of tariffs protecting their old industries, they agreed to attempt a gradual reduction. If this process goes on it will someday bring South America the advantages which the U.S. has in free trade between the 48 States...
...assistant A. W. Curtis Jr.). Nearly all were deft, somewhat primly academic depictions of natural phenomena. Visitors, impressed by the simple realism and tidy workmanship of the pictures, found still more to admire in the adjoining collection of handicrafts (embroideries on burlap, ornaments made of chicken feathers, seed and colored peanut necklaces, woven textiles) which the almost incredibly versatile Carver had turned out between scientific experiment and painting...
...would have been pleasant to turn round and run back to the car . . . but the place had enormous authority. It was the body of our death, it was the seed of the sin that is in us, it was the forge where the sword was wrought that shall slay...