Word: y
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Dates: during 1960-1969
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...years ago, Dr. Lyon proposed a revolutionary hypothesis. Every female mammal, whether mouse or woman, has two X (female) chromosomes, one each from father and mother. A male has one X and one Y. Since the X chromosome carries genes that control the production of many enzymes which in turn govern the body's chemistry, a female with two Xs should have twice as much of these enzymes as a male with one. But she doesn't. Dr. Lyon's proffered explanation: one of the female's X chromosomes is muted soon after conception and becomes...
...calico cats. In theory, such a cat has to be a female because its black and orange patches must result from two different X chromosomes. What seemed to be male calico cats have turned out, on study of their cells, to have two X chromosomes as well as a Y. They are an intersex form, and they are sterile...
...appears that Negro leaders might well destroy all hope for any sort of meaningful legislation by continuing massive public demonstrations this summer. No less a devoted advocate of civil rights than Rep. Emanuel Celler (D-N.Y.) chairman of the House Judiciary Committee, said if there is violence in Washington this summer, "a number of votes may be lost to the cause...
...former Harvard faculty members will return this summer for brief visits. Former Dean of the Faculty Mo-George Bundy, now Special Assistant to the President for National Security, will give a public address in Sanders Theatre July 22 as part of the William Y. Elliott Conference on Political Philosophy in Public Affairs...
...grotto beneath St. Peter's to pray by the side of his predecessor's tomb. And in the spirit of John's footloose ways, Paul VI left the Vatican the day after his election-to visit Spain's ailing primate, Enrique Cardinal Pla y Deniel...