The crucial bit are these chains which encircle the rod, one, and here is a second and entwine. This is the double helix. An extraordinary feat of intellectual deduction, and it led to a whole new branch of science molecular genetics. More recently, dna has given us new insights into the family relationships of animals using a technique called dna fingerprinting. It was developed by sir Alec Jeffreys of Leicester University in 1984, and using just a simple smear of blood, its possible not only to identify one particular individual, but to establish whether or not its closely related to another. For example, we used to think that most birds lived in straightforward pairs. We watched them courting and mating and rearing their young, and so we assumed that they were faithful to one another. But dna fingerprinting showed us how wrong we were, as i explained in the life of birds. Perhaps the most bizarre behavior of all takes place in the suburban gardens of england and it seems that until
The outbreak compares to previous viruses. Almost a hundred allies of the home secretary priti patel have written a letter defending her, after a series of bullying allegations. The duke and duchess of sussex have taken part in one of their last official engagements before they quit royal life later this month. And in sport englands women are beaten by the usa in their first match in the she believes cup in florida. Good morning and welcome to the bbc news at 9 the Health Secretary, matt hancock, says the government is working with supermarkets to ensure that people staying at home because of coronavirus can be supplied with food. He told the bbcs question Time Programme that he was confident supplies would not run down. But the bbcs Business Editor says that a supermarket executive told him they havent heard from the government directly and that staff are working round the clock to keep shelves stocked. The total number of confirmed cases in the uk has risen to 116. A woman in her 70s
Have written a letter defending her, the countrys ruler abducted two of his daughters, after a series of and subjected his estranged wife bullying allegations. To a campaign of intimidation. The duke and duchess of sussex have taken part in one of their last almost 100 allies of the home secretary priti patel official engagements before they quit royal life have written a letter defending her, later this month. After a series of bullying allegations. The duke and duchess of sussex have taken part in one of their last official engagements before they quit royal life later this month. Some developments about coronavirus. Eu ambassadors have cancelled their meeting this morning because of the good morning, welcome virus and the croatian ambassador is in isolation. The meeting in to bbc newsroom live. Brussels was postponed and the annita mcveigh. Creation ambassador put herself in the Health Secretary, matt hancock, isolation after coming into contact says the government is working with s
On the uks regional economies. Im at belfast airport to find out what impact will be felt here. In sport, the slump deepens for englands women. The defence of their she believes cup gets off to a disappointing start as theyre outclassed by the world champions the usa. 25 years afterjagged little pill, Alanis Morisette tells breakfast how one of its most iconic tracks nearly didnt make the final cut. People said, i love this song, so i was like, all right, lets put it on there, i dont care. The irony is not lost, another weekend of wind and rain, but not as bad as it sounds, a dry and frosty start to friday. The full details later. Its friday 6th march. Our top story. A woman in her 70s has become the first person in the uk to die as a result of coronavirus. 116 people have tested positive for the illness here. The Prime Ministers Spokesman Says its now highly likely the virus will spread in a significant way. Jon donnison reports. Royal berkshire nhs trust say the woman whose died was
Even though their portrayals are often inaccurate, TV shows like CSI and Bones have popularized forensics among the general public. Some techniques have