Word: dna
(lookup in dictionary)
(lookup stats)
Dates: during 1990-1999
Sort By: most recent first
(reverse)
...births of his three elder sisters and finally his own, which is unusual in that his mother carried him only 41/2 months. He calls himself "a man living double quick." For every year he lives he ages two. "No need for supernatural explanations; some cock-up in the DNA will...
...couldn't foresee that in 200 years or so the British royal line would dissolve in farce. Maybe they thought the madness would end with the notoriously bonkers George III. But they knew there was something inherently wrong with the idea that political power resides in a strand of DNA, or that the fate of a nation--or even just its self-respect--should depend on the sexual proclivities of a handful of overpaid layabouts...
Meselson studied questions of how DNA chains replicate and found that the chains come apart and each makes a new partner. His studies with Frank Stahl on replication led to the Meselson-Stahl model of DNA recombination, now a fixture in genetics textbooks...
...examined the process of recombination, looking into how two different DNA chains from different parents produce a DNA molecule which has parts of one and parts of the other...
...also explored how DNA molecules correct errors in their replication, and how they carry out the process of restriction, when a cell recognizes and wants to destroy a foreign DNA model that enters the cell...