Word: xy
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...find out how sexual differentiation works, Page and his team decided in 1981 to study the sex chromosomes of people who are genetically abnormal: men with two X chromosomes and women with an X and a Y. Despite the genetic reversal, the XX men and XY women, although infertile, appeared normal. The scientists showed that one X chromosome in these men always had a tiny bit of Y attached, while the women's Y chromosomes always lacked that same tiny bit. The TDF gene, they figured, must be contained in that fragment, which sometimes breaks off from...
...mouse to develop. Using this technique, Biologist Peter C. Hoppe of Jackson Laboratory in Bar Harbor, Me., and Swiss Microsurgeon Karl Illmensee have produced seven mice, all females. (Males cannot be produced by this method because the male and female pronuclei never merge, making it impossible for the male XY chromosome combination to form...
Because rewards are offered and the emphasis is on lurid cases exposing more sex and violence than is customary on fictional action shows, XY has risen to No. 1 in the ratings. A Spanish imitation of the show is also a hit and will go from bimonthly to weekly in July. A Danish version was canceled after three programs, no arrests and an accusation that the show had inspired a Copenhagen girl to attempt a bank robbery...
False Arrest. A Munich civil rights lawyer is now filing suit to bar XY. He charges that the show 1) creates the impression that the accused are guilty before they can receive a trial and 2) rouses a "chase fever because of the rewards. Zimmermann has made all Germans bounty hunters...
...XY has in fact led to 15 false arrests. One man, jailed by mistake in Austria, committed suicide in his cell. Zimmermann still thinks the record of hits more than outweighs the errors. But he has another problem of his own. The show has now been running long enough that several fugitives have served their terms and have been released. Lest they look for vengeance, Zimmermann has installed an extra door on his Mainz home, deployed a huge sentry dog and bought a Walther automatic pistol for his night table...