Word: mendeler
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...polymerase chain reaction, a deceptively simple process with an ungainly name, may turn out to be the most important tool for genetics research since Mendel's peas. PCR takes a snippet of DNA and in a matter of hours clones up to a billion perfect copies. In the past year it has proved invaluable in everything from making prenatal diagnoses of genetic diseases to identifying rape suspects from a single sperm cell...
TECHNOLOGY: Ken Baierlein (Manager); Stephen F. Demeter (Systems Manager); Kevin Kelly, George Mendel, Peter K. Niceberg, Michael M. Sheehan, Lamarr Tsufura...
...South Africa and the venturesome foreign policy that led to the Iran- contra affair and the Pollard spy case. There is outright disgust with the vulnerability of Israel's political system to the demands of fanatical ultra- Orthodox sects, as demonstrated last month by the ability of Menachem Mendel Schneerson, an 88-year-old Brooklyn rabbi, to derail the Labor Party's attempt to form a government. Last week, after Labor leader Shimon Peres' attempt to forge a peace coalition collapsed, Shamir was given three weeks to put together a government. In contrast to the unwieldy Likud-Labor coalitions that...
...from the patterns and relationships of pea plants that a concept of heredity first arose in the mind of Gregor Mendel, an Austrian monk. In 1865, after studying the flower colors and other characteristics of many generations of pea plants, Mendel formulated the laws of heredity and suggested the existence of packets of genetic information, which became known as genes. Soon afterward, chromosomes were observed in the nuclei of dividing cells, and scientists later discovered a chromosomal difference between the sexes. One chromosome, which they named Y, was found in human males' cells, together with another, called X. Females' cells...
...quiet ways, making it easy to diagnose, but a number of confounding factors that might contribute to such behavior are absent: alcoholism, drug abuse, unemployment, divorce and violence are extremely rare. In addition, the Amish have large families (seven children on average) and keep genealogical records worthy of Mendel. Best of all, they represent a closed genetic pool. All 12,500 Amish in Lancaster County are descended from 20 or 30 couples who emigrated from Europe in the early 1700s, and only a handful of outsiders have ever married...