The distance between two markers on a chromosome can be measured using (one of a number of) genetic techniques.
Officials set up a command post, with charts and markers, on a large folding table on 131st Street, just north of Newport Avenue.
"In the Pentagon scene, where they're moving markers on a map, the closeup where you can actually make out the name of the city — that was my hand".
The longer I thought about it, the more the words resisted understanding and shifted places, again and again, like markers on a game board.
Although the jacket copy makes reference to Mr. Crais's "complex heroes and heroines," his characters this time are little more than markers on a board, moved about according to the demands of an increasingly grisly game plan.
Here the reports are received by young lady volunteers called "plotters," who put markers on a large table map of this vicinity indicating the whereabouts of every plane that is in the air over the area.
"So if we derived cells from embryonic stem cells, maybe we don't need a perfect histocompatibility match," Dr. Kaufman said, referring to the markers on a cell's surface by which the body distinguishes its own cells from aliens.
Old-fashioned military history featured the set-piece battle, viewed from headquarters, as a panoramic clash of generic markers on a map, moving bloodlessly across the contour lines like toy soldiers in a game.
Solesbury, a one-time town planner and Economic and Social Research Council secretary, who is now a visiting fellow at King's College, London, chooses six cities as principal markers on a fairly wayward route: Venice, Mumbai, New York, Tokyo, Paris and Los Angeles.
Drawing with markers on a projector slide, my little Jackson Pollock has created a riot of colorful squiggles -- a bold cobalt line intersecting with razor-thin slashes of green, golden and orange -- and is now projecting an oversized image on the opposite wall.
These advances are making it possible to detect an increasing number of markers on a single cell.
