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Tag: "paternity" at biology news

New miniaturised chip dramatically reduces time taken for DNA analysis

...n be applied to many different tasks, ranging from paternity tests and identifying people to detecting genetically modified food, identifying bacterial strains in foodborne illnesses and testing genetic toxicity in new drugs. Once mass production of the sensors begins, their cost and availability will be simil...

New DNA 'fingerprinting' technique separates hemp from marijuana

...epeats," which are used to identify individuals in paternity and criminal cases, lack the power to distinguish Cannabis cultivars unequivocally. In tests with three different cultivars of hemp and one of marijuana, the DNA fingerprints of all the cultivars were distinct and nonoverlapping. Weiblen and Shann...

Does father know best?

... differs across cultures and to what extent men's paternity assessments reflect actual biological paternity. ... not believe to be theirs." Anderson compared the paternity test results for men with high paternity confidence to the results for men with low paternity confid...

Researchers find that bumblebees' flower choice matters

..." Karron says. Who's your daddy? Calculating paternity could be a nightmare. Because pollen from multiple monkey flower plants can be deposited during a single bee visit, seeds produced by one flower can be "sired" by pollen from up to nine different plants. So Karron uses genetic markers to unambiguo...

Female pronghorns choose mate based on substance as well as show

...onghorn individuals in the population and assigned paternity to the offspring. "The females' mate sampling creates a small group of males that each year sire more than one-half of all young," said Byers, who is currently serving as a program officer in NSF's biological sciences directorate. "These are the ma...

Blue eyes -- A clue to paternity

Before you request a paternity test, spend a few minutes looking at your child's eye color. It may just give you the answer you're looking for. According to Bruno Laeng and colleagues, from the University of Tromso, Norway, the human eye color reflects a simple, predictable and ...

Older fathers more likely to have autistic children

...is important to keep in mind, however, that age at paternity is influenced by the sociocultural environment and varies across societies and over time," they continue. "In a given population, a change in the sociocultural environment could produce a change in paternal age at birth. In theory, it could thereby...

Female Antarctic seals give cold shoulder to local males

...ly mating with their nearest male. However, using paternity tests, the scientists demonstrated that only a quarter of the females conceived to their nearest male. Dr Joe Hoffman, at the Department of Zoology, University of Cambridge, said: "Many mammalian species have mating systems that were traditionally...

Philandering female felines forgo fidelity

...ional Park of Tanzania, focused on determining the paternity of cheetahs through the use of fecal samples that were then subjected to genetic testing. By comparing individual genetic micro-satellites from 171 samples, researchers not only were able to determine if more than one father contributed to a litter, ...

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(Date:8/20/2014)... honeybees grows to about 4,000 members, it triggers an ... of a special type of comb used for rearing ... the Department of Neurobiology and Behaviour at Cornell University, ... cycle of honeybee colonies. The results are published in ... . , Reproduction isn,t always a honeybee colony,s ...
(Date:8/19/2014)... decrease China,s increasing caesarean section rate, suggests a new ... International Journal of Obstetrics and Gynaecology (BJOG) . , ... in the world. Of 16 million babies born in ... rate is not known, the current Chinese language literature ... ranging from 36% to 58%. However, before the 1980s, ...
(Date:8/19/2014)... It,s not a monkey. It,s not a lemur. It,s ... Meet the Philippine tarsier: a tiny, adorable and downright "cool" ... animals that Americans are familiar with," said Rafe Brown, curator-in-charge ... giant eyes and ears; an extremely cute, furry body; a ... interesting expanded fingers and toe tips that look a bit ...
Breaking Biology News(10 mins):Worker bees 'know' when to invest in their reproductive future 2Is China's 50 percent cesarean section delivery rate too high? 2Is China's 50 percent cesarean section delivery rate too high? 3Philippine tarsier gets boost from Kansas research, and genetic proof of a new variety 2Philippine tarsier gets boost from Kansas research, and genetic proof of a new variety 3
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Breaking Medicine News(10 mins):Health News:Sound Mind Cafe Launches Revamped Website and Hires Hypnotist to Team 2Health News:Study Suggests Environmental Factors May Outweigh Genetics When It Comes to Myopia 2Health News:Financial VP Fights Pesky Bugs with Launch of Biteback Sports Insect Shield® Golf Apparel 2Health News:Denver Marketing Agency Webolutions Named Inspirational Sponsor for 2014 Run the ‘Rocks 5K 2Health News:Denver Marketing Agency Webolutions Named Inspirational Sponsor for 2014 Run the ‘Rocks 5K 3Health News:HIPAA Secure Now! Ramps up EHR Partner Program, Helps Healthcare Providers Achieve Meaningful Use under Revised CMS Deadlines 2
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